Best Electrolyte For Fasting of 2026

Last updated on 01/04/2026

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Most Relevant

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SmartFast Sugar Free Electrolytes | Natural Keto Electrolytes for Fasting | Unflavoured Hydration Powder | Clean, Zero Calorie, Zero Sugar | Fasting Supplement, No Sweetener

SmartFast Sugar Free Electrolytes | Natural Keto Electrolytes for Fasting | Unflavoured Hydration Powder | Clean, Zero Calorie, Zero Sugar | Fasting Supplement, No Sweetener

SmartFast

Why we love it

Purest electrolyte formula available.
Highly bio-available premium minerals.
Effective for fasting and keto.

Main Highlights

THE CLEANEST HYDRATION YOU CAN BUY — Zero sugar, zero sweeteners, zero flavours, zero fillers. Just pure electrolytes that dissolve fast and keep you hydrated without additives. Unflavoured electrolyte powder designed for people who want results without the junk.
FUEL YOUR FAST — Formulated with fasting-correct sodium levels (far higher than typical electrolyte powders) plus optimal magnesium and potassium ratios for 24–72 hour intermittent and prolonged fasting. Fasting electrolyte powder designed to maintain hydration, energy and focus without calories or insulin response — ideal for serious fasters.
SUPPORTS LOW-CARB ENERGY & RECOVERY — Contains highly absorbable magnesium glycinate for gut-friendly hydration, not the low-grade forms used in many keto electrolyte powders. Replenishes the key minerals lost during low-carb diets to reduce keto-flu symptoms, headaches, cramps and fatigue — all with zero sugar, zero sweeteners and zero stimulants.
BUILT FOR SWEAT LOSS & ENDURANCE — High sodium, potassium and magnesium formula ideal for runners, athletes, gym sessions, hot yoga, sauna use and anyone who needs electrolytes for dehydration. Replace what you lose in sweat — without sugar or artificial flavours.
BEST VALUE + RISK-FREE GUARANTEE — One of the lowest cost-per-serving natural electrolyte powders on Amazon, backed by a 30-day money-back guarantee. If you don’t love these clean electrolytes, we refund you — no questions asked, no returns neccessary.

9.8

Exceptional

9.8

Exceptional

SmartFast

SmartFast Sugar Free Electrolytes | Natural Keto Electrolytes for Fasting | Unflavoured Hydration Powder | Clean, Zero Calorie, Zero Sugar | Fasting Supplement, No Sweetener

Why we love it

Purest electrolyte formula available.
Highly bio-available premium minerals.
Effective for fasting and keto.

Main Highlights

THE CLEANEST HYDRATION YOU CAN BUY — Zero sugar, zero sweeteners, zero flavours, zero fillers. Just pure electrolytes that dissolve fast and keep you hydrated without additives. Unflavoured electrolyte powder designed for people who want results without the junk.
FUEL YOUR FAST — Formulated with fasting-correct sodium levels (far higher than typical electrolyte powders) plus optimal magnesium and potassium ratios for 24–72 hour intermittent and prolonged fasting. Fasting electrolyte powder designed to maintain hydration, energy and focus without calories or insulin response — ideal for serious fasters.
SUPPORTS LOW-CARB ENERGY & RECOVERY — Contains highly absorbable magnesium glycinate for gut-friendly hydration, not the low-grade forms used in many keto electrolyte powders. Replenishes the key minerals lost during low-carb diets to reduce keto-flu symptoms, headaches, cramps and fatigue — all with zero sugar, zero sweeteners and zero stimulants.
BUILT FOR SWEAT LOSS & ENDURANCE — High sodium, potassium and magnesium formula ideal for runners, athletes, gym sessions, hot yoga, sauna use and anyone who needs electrolytes for dehydration. Replace what you lose in sweat — without sugar or artificial flavours.
BEST VALUE + RISK-FREE GUARANTEE — One of the lowest cost-per-serving natural electrolyte powders on Amazon, backed by a 30-day money-back guarantee. If you don’t love these clean electrolytes, we refund you — no questions asked, no returns neccessary.

Value for Money

Nutri-Align Fasting Salts Electrolytes Powder | 400g Sodium Potassium Magnesium Electrolytes | Pure Unflavoured Fasting Electrolytes | Sugar Free & Filler Free | Made in The UK

Nutri-Align Fasting Salts Electrolytes Powder | 400g Sodium Potassium Magnesium Electrolytes | Pure Unflavoured Fasting Electrolytes | Sugar Free & Filler Free | Made in The UK

Nutri-Align

Why we love it

Optimal electrolyte balance promised.
Zero calorie, pure formula.
Quality UK manufacturing.

Main Highlights

FASTING ELECTROLYTES: Our specially formulated Fasting Salts powder delivers a powerful combination of 1284mg Sodium, 625mg Potassium, and 75mg Magnesium per scoop. No more guesswork or having to buy three separate products and mix them yourself!
PURE UNFLAVOURED POWDER: Our Fasting Salts powder is completely free from all fillers, flavourings, sugars, sweeteners and gluten. Calorie-free so won't disrupt your autophagy or ketosis. Made with Sodium Chloride, Potassium Chloride and Magnesium Citrate forms of electrolytes for optimal absorption and bio-availability.
NUTRI-ALIGN FASTING SUPPLEMENTS: our fasting range is designed to support your well-being throughout Extended or Intermittent Fasting. Empowering you to break away from sugar and junk food and progress towards your health and fitness goals as quickly as possible!
400g PER POUCH: One pouch delivers 20 max daily servings if used for Extended Fasting (max daily serving 20g) or 80 servings if used for Intermittent Fasting or Keto (recommended daily serving 5g). Includes a 5g scoop to measure out servings. See the back of the pouch for our dosage calculator tool.
MADE IN THE UK: Our UK-based manufacturing facilities have been accredited with GMP, BS EN ISO 9001 and BRC Food Safety quality assurance certifications. Nutri-Align is a verified registered member of “Made in Britain” manufacturers association.

Nutri-Align Fasting Salts Electrolytes Powder | 400g Sodium Potassium Magnesium Electrolytes | Pure Unflavoured Fasting Electrolytes | Sugar Free & Filler Free | Made in The UK

Why we love it

Optimal electrolyte balance promised.
Zero calorie, pure formula.
Quality UK manufacturing.

Main Highlights

FASTING ELECTROLYTES: Our specially formulated Fasting Salts powder delivers a powerful combination of 1284mg Sodium, 625mg Potassium, and 75mg Magnesium per scoop. No more guesswork or having to buy three separate products and mix them yourself!
PURE UNFLAVOURED POWDER: Our Fasting Salts powder is completely free from all fillers, flavourings, sugars, sweeteners and gluten. Calorie-free so won't disrupt your autophagy or ketosis. Made with Sodium Chloride, Potassium Chloride and Magnesium Citrate forms of electrolytes for optimal absorption and bio-availability.
NUTRI-ALIGN FASTING SUPPLEMENTS: our fasting range is designed to support your well-being throughout Extended or Intermittent Fasting. Empowering you to break away from sugar and junk food and progress towards your health and fitness goals as quickly as possible!
400g PER POUCH: One pouch delivers 20 max daily servings if used for Extended Fasting (max daily serving 20g) or 80 servings if used for Intermittent Fasting or Keto (recommended daily serving 5g). Includes a 5g scoop to measure out servings. See the back of the pouch for our dosage calculator tool.
MADE IN THE UK: Our UK-based manufacturing facilities have been accredited with GMP, BS EN ISO 9001 and BRC Food Safety quality assurance certifications. Nutri-Align is a verified registered member of “Made in Britain” manufacturers association.

Strike Electrolytes | Zero Sugar Hydration Sachets with Sodium, Magnesium, Vitamin C & Trace Minerals | Vegan, Keto, Gluten-Free | Daily Electrolytes Powder (30 Sachets, Berry Fusion)

Strike Electrolytes | Zero Sugar Hydration Sachets with Sodium, Magnesium, Vitamin C & Trace Minerals | Vegan, Keto, Gluten-Free | Daily Electrolytes Powder (30 Sachets, Berry Fusion)

Strike

Why we love it

Highest quality ingredients available.
Clean and naturally flavored drinks.
Unmatched taste for hydration.

Main Highlights

𝗛𝗶𝗴𝗵𝗲𝘀𝘁-𝗤𝘂𝗮𝗹𝗶𝘁𝘆 𝗜𝗻𝗴𝗿𝗲𝗱𝗶𝗲𝗻𝘁𝘀: Unlike most electrolyte powders and tablets that are under-dosed, Strike delivers 750mg of sodium, the key electrolyte most other brands lack, along with potassium, magnesium, calcium, zinc, and vitamin C.
𝗖𝗹𝗲𝗮𝗻 & 𝗡𝗮𝘁𝘂𝗿𝗮𝗹𝗹𝘆 𝗙𝗹𝗮𝘃𝗼𝘂𝗿𝗲𝗱: With zero sugar, no sucralose, or artificial ingredients, our blend is naturally flavoured with real fruits and Pink Himalayan Salt which provides a rich blend of 120+ trace minerals, enhancing hydration at the cellular level. Our proprietary formula is scientifically backed and lab-tested for safety and efficacy.
𝗛𝘆𝗱𝗿𝗮𝘁𝗶𝗼𝗻 𝗙𝗼𝗿 𝗘𝘃𝗲𝗿𝘆𝗼𝗻𝗲: Strike goes beyond workouts, it’s formulated for everyday hydration support. Dehydration can cause muscle cramps, fatigue, headaches, dizziness, and low energy, which is why Strike is trusted not only by athletes but also busy professionals, those fasting, people managing POTS or with specific dietary needs. Each serving helps to rapidly rehydrate, balance body fluids, speed up recovery, and keep you energised so you can feel your best.
𝗨𝗻𝗺𝗮𝘁𝗰𝗵𝗲𝗱 𝗧𝗮𝘀𝘁𝗲: While many electrolyte powders taste too salty or medicine-like, Strike flavours are perfected over months of development to be light, refreshing, and naturally fruity. With no artificial sweeteners or sugar, it’s a clean, refreshing taste you’ll crave every day.
𝗘𝗮𝘀𝘆 𝘁𝗼 𝗨𝘀𝗲: Strike comes in portable sachets which are designed for you to enjoy convenient hydration on the go. Just add one stick to 500–750ml of cold water, stir or shake, and enjoy our refreshing flavours throughout your day!

Strike Electrolytes | Zero Sugar Hydration Sachets with Sodium, Magnesium, Vitamin C & Trace Minerals | Vegan, Keto, Gluten-Free | Daily Electrolytes Powder (30 Sachets, Berry Fusion)

Why we love it

Highest quality ingredients available.
Clean and naturally flavored drinks.
Unmatched taste for hydration.

Main Highlights

𝗛𝗶𝗴𝗵𝗲𝘀𝘁-𝗤𝘂𝗮𝗹𝗶𝘁𝘆 𝗜𝗻𝗴𝗿𝗲𝗱𝗶𝗲𝗻𝘁𝘀: Unlike most electrolyte powders and tablets that are under-dosed, Strike delivers 750mg of sodium, the key electrolyte most other brands lack, along with potassium, magnesium, calcium, zinc, and vitamin C.
𝗖𝗹𝗲𝗮𝗻 & 𝗡𝗮𝘁𝘂𝗿𝗮𝗹𝗹𝘆 𝗙𝗹𝗮𝘃𝗼𝘂𝗿𝗲𝗱: With zero sugar, no sucralose, or artificial ingredients, our blend is naturally flavoured with real fruits and Pink Himalayan Salt which provides a rich blend of 120+ trace minerals, enhancing hydration at the cellular level. Our proprietary formula is scientifically backed and lab-tested for safety and efficacy.
𝗛𝘆𝗱𝗿𝗮𝘁𝗶𝗼𝗻 𝗙𝗼𝗿 𝗘𝘃𝗲𝗿𝘆𝗼𝗻𝗲: Strike goes beyond workouts, it’s formulated for everyday hydration support. Dehydration can cause muscle cramps, fatigue, headaches, dizziness, and low energy, which is why Strike is trusted not only by athletes but also busy professionals, those fasting, people managing POTS or with specific dietary needs. Each serving helps to rapidly rehydrate, balance body fluids, speed up recovery, and keep you energised so you can feel your best.
𝗨𝗻𝗺𝗮𝘁𝗰𝗵𝗲𝗱 𝗧𝗮𝘀𝘁𝗲: While many electrolyte powders taste too salty or medicine-like, Strike flavours are perfected over months of development to be light, refreshing, and naturally fruity. With no artificial sweeteners or sugar, it’s a clean, refreshing taste you’ll crave every day.
𝗘𝗮𝘀𝘆 𝘁𝗼 𝗨𝘀𝗲: Strike comes in portable sachets which are designed for you to enjoy convenient hydration on the go. Just add one stick to 500–750ml of cold water, stir or shake, and enjoy our refreshing flavours throughout your day!

Hunter & Gather Restore Electrolytes Sachets x 30 I No Added Sugar or Artificial Sweeteners I 100% Natural Hydration I Optimal Mineral Ratio with Pink Himalayan Salt I Keto I with Natural Monk Fruit

Hunter & Gather Restore Electrolytes Sachets x 30 I No Added Sugar or Artificial Sweeteners I 100% Natural Hydration I Optimal Mineral Ratio with Pink Himalayan Salt I Keto I with Natural Monk Fruit

Hunter & Gather

14% Off

Why we love it

Supports hydration and performance.
Natural flavors without sugar.
Keto and fasting-friendly option.

Main Highlights

🌊 HYDRATE SMARTER WITH NATURE’S BEST ELECTROLYTES - Stay sharp, strong and switched on with Hunter & Gather Restore Electrolytes. These sugar-free electrolyte powder sachets are made with earth-derived minerals to support hydration, performance and mental clarity. Each sachet delivers 750mg sodium, 150mg potassium and 80mg marine magnesium to replenish the essential minerals lost through daily life, exercise or fasting.
🧪 SCIENTIFICALLY FORMULATED - Each Restore Electrolytes sachet contains:🧂750mg Sodium (from Pink Himalayan Salt) 🍌150mg Potassium (Natural Potash Salt) 🌊80mg Magnesium (from Marine Source) No fillers, no artificial additives, just the essential minerals your body needs to thrive.
💧 EASY, ON-THE-GO HYDRATION - Just tear, pour and stir. Whether you’re recovering post-exercise, replenishing after sleep, or powering through a busy day, Restore Electrolytes makes staying hydrated simple. Adjust flavour intensity to your liking by mixing with more or less water.
💪 WHY NATURAL SALT MATTERS - Your body needs salt to conduct nerve impulses, move muscles and maintain fluid balance. Thanks to modern diets and depleted soil, many of us don’t get enough. That’s why we use Pink Himalayan Rock Salt, which is naturally rich in trace minerals and free from chemical processing.

Hunter & Gather Restore Electrolytes Sachets x 30 I No Added Sugar or Artificial Sweeteners I 100% Natural Hydration I Optimal Mineral Ratio with Pink Himalayan Salt I Keto I with Natural Monk Fruit

14% Off

Why we love it

Supports hydration and performance.
Natural flavors without sugar.
Keto and fasting-friendly option.

Main Highlights

🌊 HYDRATE SMARTER WITH NATURE’S BEST ELECTROLYTES - Stay sharp, strong and switched on with Hunter & Gather Restore Electrolytes. These sugar-free electrolyte powder sachets are made with earth-derived minerals to support hydration, performance and mental clarity. Each sachet delivers 750mg sodium, 150mg potassium and 80mg marine magnesium to replenish the essential minerals lost through daily life, exercise or fasting.
🧪 SCIENTIFICALLY FORMULATED - Each Restore Electrolytes sachet contains:🧂750mg Sodium (from Pink Himalayan Salt) 🍌150mg Potassium (Natural Potash Salt) 🌊80mg Magnesium (from Marine Source) No fillers, no artificial additives, just the essential minerals your body needs to thrive.
💧 EASY, ON-THE-GO HYDRATION - Just tear, pour and stir. Whether you’re recovering post-exercise, replenishing after sleep, or powering through a busy day, Restore Electrolytes makes staying hydrated simple. Adjust flavour intensity to your liking by mixing with more or less water.
💪 WHY NATURAL SALT MATTERS - Your body needs salt to conduct nerve impulses, move muscles and maintain fluid balance. Thanks to modern diets and depleted soil, many of us don’t get enough. That’s why we use Pink Himalayan Rock Salt, which is naturally rich in trace minerals and free from chemical processing.

Mineral Republic Electrolyte Powder – Sugar-Free Lemon Hydration Drink Mix – 60 Servings (2-Month Supply) – 1000mg Potassium with Magnesium, Calcium & Himalayan Salt – Keto, Vegan & Fasting Friendly

Mineral Republic Electrolyte Powder – Sugar-Free Lemon Hydration Drink Mix – 60 Servings (2-Month Supply) – 1000mg Potassium with Magnesium, Calcium & Himalayan Salt – Keto, Vegan & Fasting Friendly

Mineral Republic

Why we love it

Supports Keto, Fasting, and Paleo diets.
Provides essential multimineral hydration.
Sugar-free electrolyte supplement.

Main Highlights

High Potency Electrolytes: Each serving provides 1000mg potassium with magnesium, calcium and Himalayan salt — designed to support hydration, balance and muscle function.
Clean and Sugar-Free: Zero sugar and zero calories, with a formula suitable for keto, intermittent fasting, paleo and vegan lifestyles.
Refreshing Lemon Flavour: Light, natural taste that dissolves instantly in water, making hydration simple before training, during exercise or throughout the day.
60 Servings, 2-Month Supply: Large 420g tub designed for daily use, providing a convenient and economical way to stay hydrated.
Everyday Hydration Support: Helps maintain hydration, focus and energy whether you’re exercising, fasting or staying active throughout the day.

Mineral Republic Electrolyte Powder – Sugar-Free Lemon Hydration Drink Mix – 60 Servings (2-Month Supply) – 1000mg Potassium with Magnesium, Calcium & Himalayan Salt – Keto, Vegan & Fasting Friendly

Why we love it

Supports Keto, Fasting, and Paleo diets.
Provides essential multimineral hydration.
Sugar-free electrolyte supplement.

Main Highlights

High Potency Electrolytes: Each serving provides 1000mg potassium with magnesium, calcium and Himalayan salt — designed to support hydration, balance and muscle function.
Clean and Sugar-Free: Zero sugar and zero calories, with a formula suitable for keto, intermittent fasting, paleo and vegan lifestyles.
Refreshing Lemon Flavour: Light, natural taste that dissolves instantly in water, making hydration simple before training, during exercise or throughout the day.
60 Servings, 2-Month Supply: Large 420g tub designed for daily use, providing a convenient and economical way to stay hydrated.
Everyday Hydration Support: Helps maintain hydration, focus and energy whether you’re exercising, fasting or staying active throughout the day.

Keto-Pro Keto Electrolytes 250g | Electrolyte Powder Supporting Your Fasting, Health & Fitness Goals | 50 Servings | Lemon Orange Flavour

Keto-Pro Keto Electrolytes 250g | Electrolyte Powder Supporting Your Fasting, Health & Fitness Goals | 50 Servings | Lemon Orange Flavour

Keto-Pro Fuelled by FAT

Why we love it

Boosts energy and focus.
Prevents dehydration and stress.
Promotes health and fitness.

Main Highlights

SUPERIOR HYDRATION & ENERGY: Upgrade your daily performance with Keto-Pro Electrolytes+. Our advanced formula delivers high-potency minerals to support optimal fluid balance, steady energy, and sharper focus. Perfect for when life, fasting, or intense training demands more.
POTENT ELECTROLYTE PROFILE: Each 50-serving tub is packed with highly bioavailable minerals, delivering 500.2mg of Potassium, 0.55g of Sodium, and Vitamin C per scoop. This powerful blend helps support muscle function, speeds up recovery, and prevents dehydration and cramping.
ENRICHED WITH 66 TRACE MINERALS: Go beyond basic hydration. Our formula includes 66 essential trace minerals, including Zinc, Iodine, Selenium, and Iron. These vital cofactors support core cellular processes, metabolism, and resilience against cellular oxidative stress.
FAST-ACTING & HIGHLY BIOAVAILABLE: Crafted with premium mineral forms that dissolve cleanly and absorb efficiently. This means less waste, quicker nutrient replenishment, and a smoother recovery process, ensuring your body actually utilises more of what is in every single scoop.
CLEAN, VEGAN & KETO-FRIENDLY: Built to high standards of purity and taste. Naturally sweetened. Our non-GMO, ultra-low carb mix is the perfect daily tool to support your ketosis, dieting, or general wellness goals.

Keto-Pro Fuelled by FAT

Keto-Pro Keto Electrolytes 250g | Electrolyte Powder Supporting Your Fasting, Health & Fitness Goals | 50 Servings | Lemon Orange Flavour

Why we love it

Boosts energy and focus.
Prevents dehydration and stress.
Promotes health and fitness.

Main Highlights

SUPERIOR HYDRATION & ENERGY: Upgrade your daily performance with Keto-Pro Electrolytes+. Our advanced formula delivers high-potency minerals to support optimal fluid balance, steady energy, and sharper focus. Perfect for when life, fasting, or intense training demands more.
POTENT ELECTROLYTE PROFILE: Each 50-serving tub is packed with highly bioavailable minerals, delivering 500.2mg of Potassium, 0.55g of Sodium, and Vitamin C per scoop. This powerful blend helps support muscle function, speeds up recovery, and prevents dehydration and cramping.
ENRICHED WITH 66 TRACE MINERALS: Go beyond basic hydration. Our formula includes 66 essential trace minerals, including Zinc, Iodine, Selenium, and Iron. These vital cofactors support core cellular processes, metabolism, and resilience against cellular oxidative stress.
FAST-ACTING & HIGHLY BIOAVAILABLE: Crafted with premium mineral forms that dissolve cleanly and absorb efficiently. This means less waste, quicker nutrient replenishment, and a smoother recovery process, ensuring your body actually utilises more of what is in every single scoop.
CLEAN, VEGAN & KETO-FRIENDLY: Built to high standards of purity and taste. Naturally sweetened. Our non-GMO, ultra-low carb mix is the perfect daily tool to support your ketosis, dieting, or general wellness goals.

Nutri-Align Fasting Salts Electrolytes, 120 Capsules | Sodium Potassium Magnesium | Pure Fasting Electrolytes | Sugar Free & Filler Free | Made in The UK (Original)

Nutri-Align Fasting Salts Electrolytes, 120 Capsules | Sodium Potassium Magnesium | Pure Fasting Electrolytes | Sugar Free & Filler Free | Made in The UK (Original)

Nutri-Align

Why we love it

Optimal absorption fasting supplements.
Healthy lifestyle with Ketosis.
Halal-certified UK product.

Main Highlights

FASTING CAPSULES: Our specially formulated Fasting Salts capsules deliver a powerful combination of 655mg Sodium, 297mg Potassium, and 38mg Magnesium per 3 capsules serving. No more guesswork or having to buy separate products and mix them yourself!
NUTRI-ALIGN FASTING SUPPLEMENTS: our fasting range is designed to support your well-being throughout Extended or Intermittent Fasting. Empowering you to break away from sugar and junk food and progress towards your health and fitness goals as quickly as possible.
PURE FASTING SUPPLEMENT: Our fasting capsules are completely free from all fillers, flavorings, sugars, sweeteners and gluten. Calorie-free so won't disrupt your autophagy or ketosis. Made with Sodium Chloride, Potassium Chloride and Magnesium Citrate forms of electrolytes for optimal absorption and bio-availability.
120 CAPSULES PER PACK: Compact easy-to-swallow capsules. 6 capsules are equivalent to 1 scoop of the Fasting Salts powder. Recommended daily dosages: 12-24 capsules per day for EF, 3 capsules per day for IF, 1-2 capsules per day for Keto. See packaging for more detailed information about dosages.
MADE IN THE UK: Our UK-based manufacturing facilities have been accredited with GMP, BS EN ISO 9001 and BRC Food Safety quality assurance standards. Nutri-Align is a verified registered member of “Made in Britain” manufacturers association. Fasting Salts capsules are Halal-certified.

Nutri-Align Fasting Salts Electrolytes, 120 Capsules | Sodium Potassium Magnesium | Pure Fasting Electrolytes | Sugar Free & Filler Free | Made in The UK (Original)

Why we love it

Optimal absorption fasting supplements.
Healthy lifestyle with Ketosis.
Halal-certified UK product.

Main Highlights

FASTING CAPSULES: Our specially formulated Fasting Salts capsules deliver a powerful combination of 655mg Sodium, 297mg Potassium, and 38mg Magnesium per 3 capsules serving. No more guesswork or having to buy separate products and mix them yourself!
NUTRI-ALIGN FASTING SUPPLEMENTS: our fasting range is designed to support your well-being throughout Extended or Intermittent Fasting. Empowering you to break away from sugar and junk food and progress towards your health and fitness goals as quickly as possible.
PURE FASTING SUPPLEMENT: Our fasting capsules are completely free from all fillers, flavorings, sugars, sweeteners and gluten. Calorie-free so won't disrupt your autophagy or ketosis. Made with Sodium Chloride, Potassium Chloride and Magnesium Citrate forms of electrolytes for optimal absorption and bio-availability.
120 CAPSULES PER PACK: Compact easy-to-swallow capsules. 6 capsules are equivalent to 1 scoop of the Fasting Salts powder. Recommended daily dosages: 12-24 capsules per day for EF, 3 capsules per day for IF, 1-2 capsules per day for Keto. See packaging for more detailed information about dosages.
MADE IN THE UK: Our UK-based manufacturing facilities have been accredited with GMP, BS EN ISO 9001 and BRC Food Safety quality assurance standards. Nutri-Align is a verified registered member of “Made in Britain” manufacturers association. Fasting Salts capsules are Halal-certified.

Nutri-Align Fasting Salts Electrolytes Advanced, 120 Capsules | Sodium Potassium Magnesium Phosphorus | Pure Fasting Electrolytes | Sugar Free & Filler Free | Made in The UK

Nutri-Align Fasting Salts Electrolytes Advanced, 120 Capsules | Sodium Potassium Magnesium Phosphorus | Pure Fasting Electrolytes | Sugar Free & Filler Free | Made in The UK

Nutri-Align

Why we love it

Innovatively supports various fasting methods.
Pure, high-quality sourced ingredients.
Compact, easy-to-swallow capsules.

Main Highlights

ADVANCED FASTING CAPSULES: Our specially formulated Fasting Salts capsules deliver a powerful combination of 555mg Sodium, 297mg Potassium, 79g Phosphorus and 38mg Magnesium per 3 capsules serving. No more guesswork or having to buy separate products and mix them yourself!
NO ADDITIVES, NO FLAVOURINGS, NO JUNK. The last thing you need when fasting is chemical junk! Our Fasting Salts contain ZERO flavourings, sugars, sweeteners, gluten or soy. The only ingredients are pure electrolyte salts. Includes a small amount of calcium carbonate (bulking agent to enable machine encapsulation) - also a natural electrolyte salt which will not interfere with your autophagy or ketosis in any way.
TOP-QUALITY SOURCE INGREDIENTS: Our Fasting Salts are made from premium forms of electrolytes for optimal absorption. Advanced formulation includes Magnesium Glycinate which is easier to absorb and less likely to cause any digestive upset.
120 CAPSULES PER PACK: Compact easy-to-swallow capsules. 6 capsules are equivalent to 1 scoop of the Fasting Salts powder. Recommended daily dosages: 12-24 capsules per day for EF, 3 capsules per day for IF, 1-2 capsules per day for Keto. See packaging for more detailed information about dosages.
MADE IN THE UK: Our UK-based manufacturing facilities have been accredited with GMP, BS EN ISO 9001 and BRC Food Safety quality assurance standards. Nutri-Align is a verified registered member of “Made in Britain” manufacturers association. Fasting Salts capsules are Halal-certified.

Nutri-Align Fasting Salts Electrolytes Advanced, 120 Capsules | Sodium Potassium Magnesium Phosphorus | Pure Fasting Electrolytes | Sugar Free & Filler Free | Made in The UK

Why we love it

Innovatively supports various fasting methods.
Pure, high-quality sourced ingredients.
Compact, easy-to-swallow capsules.

Main Highlights

ADVANCED FASTING CAPSULES: Our specially formulated Fasting Salts capsules deliver a powerful combination of 555mg Sodium, 297mg Potassium, 79g Phosphorus and 38mg Magnesium per 3 capsules serving. No more guesswork or having to buy separate products and mix them yourself!
NO ADDITIVES, NO FLAVOURINGS, NO JUNK. The last thing you need when fasting is chemical junk! Our Fasting Salts contain ZERO flavourings, sugars, sweeteners, gluten or soy. The only ingredients are pure electrolyte salts. Includes a small amount of calcium carbonate (bulking agent to enable machine encapsulation) - also a natural electrolyte salt which will not interfere with your autophagy or ketosis in any way.
TOP-QUALITY SOURCE INGREDIENTS: Our Fasting Salts are made from premium forms of electrolytes for optimal absorption. Advanced formulation includes Magnesium Glycinate which is easier to absorb and less likely to cause any digestive upset.
120 CAPSULES PER PACK: Compact easy-to-swallow capsules. 6 capsules are equivalent to 1 scoop of the Fasting Salts powder. Recommended daily dosages: 12-24 capsules per day for EF, 3 capsules per day for IF, 1-2 capsules per day for Keto. See packaging for more detailed information about dosages.
MADE IN THE UK: Our UK-based manufacturing facilities have been accredited with GMP, BS EN ISO 9001 and BRC Food Safety quality assurance standards. Nutri-Align is a verified registered member of “Made in Britain” manufacturers association. Fasting Salts capsules are Halal-certified.

Electrolyte Powder Unflavoured – Zero Sugar Hydration Drink Mix for Running, Cycling, Keto & Fasting – Sodium, Potassium, Magnesium – 312 Servings – 250g

Electrolyte Powder Unflavoured – Zero Sugar Hydration Drink Mix for Running, Cycling, Keto & Fasting – Sodium, Potassium, Magnesium – 312 Servings – 250g

Rival Sports Fuel

10% Off

Why we love it

Enhances hydration during vigorous workouts.
Prevents cramping effectively.
Optimal for warm weather training.

Main Highlights

✅ Complete Electrolyte Support Balanced Sodium, Potassium and Magnesium to support hydration, muscle function and endurance during training, work or daily activity.
✅ Zero Sugar, Zero Calories A clean, unflavoured formula ideal for keto, fasting, low‑carb and sugar‑free lifestyles without artificial sweeteners or additives.
✅ 312 Servings – Exceptional Value Highly concentrated formula delivering 312 servings per pouch, offering significantly better value than typical 20–30 serving tubs.
✅ Designed for Runners, Cyclists & Active Lifestyles Supports hydration and performance during long runs, cycling sessions, gym training and outdoor activity.
✅ Mixes Instantly – No Flavour Added, Just a Slight Salty Aftertaste Dissolves easily in water with no taste, making it perfect for stacking with other supplements or adding to your daily hydration routine.

Electrolyte Powder Unflavoured – Zero Sugar Hydration Drink Mix for Running, Cycling, Keto & Fasting – Sodium, Potassium, Magnesium – 312 Servings – 250g

10% Off

Why we love it

Enhances hydration during vigorous workouts.
Prevents cramping effectively.
Optimal for warm weather training.

Main Highlights

✅ Complete Electrolyte Support Balanced Sodium, Potassium and Magnesium to support hydration, muscle function and endurance during training, work or daily activity.
✅ Zero Sugar, Zero Calories A clean, unflavoured formula ideal for keto, fasting, low‑carb and sugar‑free lifestyles without artificial sweeteners or additives.
✅ 312 Servings – Exceptional Value Highly concentrated formula delivering 312 servings per pouch, offering significantly better value than typical 20–30 serving tubs.
✅ Designed for Runners, Cyclists & Active Lifestyles Supports hydration and performance during long runs, cycling sessions, gym training and outdoor activity.
✅ Mixes Instantly – No Flavour Added, Just a Slight Salty Aftertaste Dissolves easily in water with no taste, making it perfect for stacking with other supplements or adding to your daily hydration routine.

WeightWorld Electrolyte Complex - 930mg per Tablet - 6 Months Supply - 180 Electrolyte Tablets - Includes Magnesium, Chloride, Potassium, Calcium & Sodium - Vegan, Unflavoured & Non-GMO

WeightWorld Electrolyte Complex - 930mg per Tablet - 6 Months Supply - 180 Electrolyte Tablets - Includes Magnesium, Chloride, Potassium, Calcium & Sodium - Vegan, Unflavoured & Non-GMO

WeightWorld

Why we love it

Power-packed with essential minerals.
Supports active lifestyle recovery.
Keto-friendly and sugar-free.

Main Highlights

180 TABLETS - 6 MONTHS SUPPLY: Each bottle contains 180 electrolyte tablets, designed to last 6 months with the recommended daily intake. Delivering 930mg of key electrolytes per serving, these vegan electrolyte tablets have no bitter aftertaste and require no mixing, making them a clean and convenient option for any daily routine.
WHY ELECTROLYTES ARE IMPORTANT: Electrolytes include minerals such as magnesium, potassium, calcium, and chloride. Magnesium contributes to electrolyte balance. Potassium contributes to normal muscle function. Calcium contributes to normal energy-yielding metabolism. Chloride contributes to normal digestion by production of hydrochloric acid in the stomach (EFSA)
SUITABLE FOR EVERYONE: Electrolytes play a major role in keeping everyday functions running smoothly. They keep fluids at the right level and keep daily activities steady. Suitable for both men and women, these electrolyte powder tablets provide a hassle-free way to stay replenished. Free from artificial flavours, these electrolyte replacement supplements are a clean and convenient choice for daily hydration, made for those who like to keep things clear and uncomplicated.
VEGAN, UNFLAVOURED & EASY-TO-SWALLOW: WeightWorld's Electrolyte Tablets are unflavoured easy to swallow. Whether as part of a daily routine or while travelling, they offer a practical way to stay consistent. With no unnecessary additives, this makes it a go-to choice. Formulated to be vegan-friendly, gluten-free, & lactose-free, these electrolyte tablets are designed to complement a simple way of life.
THE JOURNEY OF WEIGHTWORLD: Born from a passion for food supplements, WeightWorld has been growing since 2006. With nearly two decades of experience, the brand offers a wide range of products, including vitamins, minerals, plant-based supplements, devices, and more. Now reaching multiple countries, the focus remains on developing products that evolve with changing needs while staying true to the values that started it all.

WeightWorld Electrolyte Complex - 930mg per Tablet - 6 Months Supply - 180 Electrolyte Tablets - Includes Magnesium, Chloride, Potassium, Calcium & Sodium - Vegan, Unflavoured & Non-GMO

Why we love it

Power-packed with essential minerals.
Supports active lifestyle recovery.
Keto-friendly and sugar-free.

Main Highlights

180 TABLETS - 6 MONTHS SUPPLY: Each bottle contains 180 electrolyte tablets, designed to last 6 months with the recommended daily intake. Delivering 930mg of key electrolytes per serving, these vegan electrolyte tablets have no bitter aftertaste and require no mixing, making them a clean and convenient option for any daily routine.
WHY ELECTROLYTES ARE IMPORTANT: Electrolytes include minerals such as magnesium, potassium, calcium, and chloride. Magnesium contributes to electrolyte balance. Potassium contributes to normal muscle function. Calcium contributes to normal energy-yielding metabolism. Chloride contributes to normal digestion by production of hydrochloric acid in the stomach (EFSA)
SUITABLE FOR EVERYONE: Electrolytes play a major role in keeping everyday functions running smoothly. They keep fluids at the right level and keep daily activities steady. Suitable for both men and women, these electrolyte powder tablets provide a hassle-free way to stay replenished. Free from artificial flavours, these electrolyte replacement supplements are a clean and convenient choice for daily hydration, made for those who like to keep things clear and uncomplicated.
VEGAN, UNFLAVOURED & EASY-TO-SWALLOW: WeightWorld's Electrolyte Tablets are unflavoured easy to swallow. Whether as part of a daily routine or while travelling, they offer a practical way to stay consistent. With no unnecessary additives, this makes it a go-to choice. Formulated to be vegan-friendly, gluten-free, & lactose-free, these electrolyte tablets are designed to complement a simple way of life.
THE JOURNEY OF WEIGHTWORLD: Born from a passion for food supplements, WeightWorld has been growing since 2006. With nearly two decades of experience, the brand offers a wide range of products, including vitamins, minerals, plant-based supplements, devices, and more. Now reaching multiple countries, the focus remains on developing products that evolve with changing needs while staying true to the values that started it all.

We scanned 586 products

We reviewed these offers relevant to the Electrolyte For Fasting within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like SmartFast, Nutri-Align, Strike, Hunter & Gather, Mineral Republic, Keto-Pro Fuelled by FAT, Rival Sports Fuel, WeightWorld, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Electrolyte For Fasting in the market, we considered we took a deep dive into 2931 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is SmartFast Sugar Free Electrolytes | Natural Keto Electrolytes for Fasting | Unflavoured Hydration Powder | Clean, Zero Calorie, Zero Sugar | Fasting Supplement, No Sweetener. We love many things about this product by SmartFast. What sets it apart from the competition is Purest electrolyte formula available, Highly bio-available premium minerals, Effective for fasting and keto.
The best value product for most shoppers and where user satisfaction is continuously the highest is Nutri-Align Fasting Salts Electrolytes Powder | 400g Sodium Potassium Magnesium Electrolytes | Pure Unflavoured Fasting Electrolytes | Sugar Free & Filler Free | Made in The UK by Nutri-Align based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Electrolyte For Fasting and the best cost-to-value ratio is Hunter & Gather Restore Electrolytes Sachets x 30 I No Added Sugar or Artificial Sweeteners I 100% Natural Hydration I Optimal Mineral Ratio with Pink Himalayan Salt I Keto I with Natural Monk Fruitat Hunter & Gather with a 14% discount.
Our list of the best Electrolyte For Fasting is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.