Best Magnesium Supplements Powder of 2025
Last updated on 20/09/2025
Advertising disclosure
Advertising disclosure
Best Choice
1
MAG365 Magnesium Citrate Powder - Highly Absorbable Magnesium Supplement - Passion Fruit 300g
Mag365
3% OffFree Shipping
Show More
Mag365
MAG365 Magnesium Citrate Powder - Highly Absorbable Magnesium Supplement - Passion Fruit 300g
3% OffFree Shipping
Why we love it
- Highly bioavailable magnesium citrate powder.
- Absorbable water-soluble ionic magnesium.
- Naturally flavoured with passion fruit.
Main Highlights
- AWARD-WINNING MAGNESIUM: combines magnesium carbonate with citric acid to create a highly bioavailable ionic magnesium citrate, making it easier for your body to absorb and utilise. This flagship, multi-award-winning formula is trusted worldwide for its effectiveness in supporting overall health, from stress management to muscle relaxation
- DELICIOUSLY NATURAL FRUIT FLAVOUR: Infused with the tropical and exotic taste of real fruit, MAG365 is naturally sweetened with steviol glycoside, a compound derived from the stevia leaf. This clean and lightly sweet flavour makes it enjoyable to drink, whether you prefer it hot or cold, and contains no artificial flavours or sweeteners
- SUPPORTS RELAXATION AND BETTER SLEEP: Designed to help improve sleep quality, MAG365 is perfect for those who feel irritable, or have trouble unwinding. Its magnesium-rich formula promotes relaxation, helping to reduce symptoms like restless legs syndrome and muscle cramps while improving your overall sense of calm
- A NATURAL BOOST FOR HEART, MUSCLE, AND BRAIN HEALTH: With its pure and non-GMO ingredients, MAG365 not only supports heart health by helping regulate blood pressure and cholesterol levels, but also aids in muscle recovery and brain function. It’s ideal for anyone experiencing cramping, bloating, difficulty focusing, or other signs of magnesium deficiency
- PREMIUM QUALITY IN EVERY BATCH: is made in small batches to ensure the highest level of purity and quality. Sourced from non-GMO sugar beets and seawater, this 100% pure magnesium powder dissolves easily in water, allowing you to customise your dosage based on your individual needs. Designed for both effectiveness and safety, it’s a supplement you can trust
Show More
Value for Money
2
JSHealth Vitamins Advanced Magnesium+ Powder with Magnesium Glycinate, Citrate, and Amino Acid Chelate, 402 mg/Serving – Bioavailable Supplement
JSHealth
Free Shipping
Show More
JSHealth
JSHealth Vitamins Advanced Magnesium+ Powder with Magnesium Glycinate, Citrate, and Amino Acid Chelate, 402 mg/Serving – Bioavailable Supplement
Free Shipping
Why we love it
- Supports muscle and bone health.
- High absorption magnesium blend.
- Delicious Raspberry Lemonade flavor.
Main Highlights
- Magnesium contributes to normal muscle function.
- 3 forms of high absorption Magnesium with 402 mg of Magnesium per daily serve3 forms of high absorption Magnesium with 402 mg of Magnesium per daily serve
- Supports bone health + energy production
- Perform, rest and reset with this delicious Raspberry Lemonade flavoured drink designed to move with you from the gym floor to the meditation mat.
- Delicious Raspberry Lemonade flavour. No artificial colours, sweeteners or flavours.
Show More
3
Nutricost Magnesium Malate Powder (300g) - 420mg of Magnesium Per Serving - Non-GMO, Gluten Free
Nutricost
Free Shipping
Show More
Nutricost
Nutricost Magnesium Malate Powder (300g) - 420mg of Magnesium Per Serving - Non-GMO, Gluten Free
Free Shipping
Why we love it
- High Magnesium content per serving.
- Non-GMO, Soy and Gluten-Free.
- Trustworthy quality and production facility.
Main Highlights
- 420mg of Magnesium Per Serving (from Magnesium malate)
- Serving Size: 1 Scoop (Included)
- 143 Servings Per Container
- Non-GMO, Soy Free, and Gluten Free
- Made in a GMP Compliant, FDA Registered Facility
Show More
4
NaturesPlus Magnesium Powder Unflavoured - Gentle Magnesium Citrate Supplement for Night and Day - Energy and Stress Relief - Vegan, Gluten Free - 60 Servings
Nature's Plus
Free Shipping
Show More
Nature's Plus
NaturesPlus Magnesium Powder Unflavoured - Gentle Magnesium Citrate Supplement for Night and Day - Energy and Stress Relief - Vegan, Gluten Free - 60 Servings
Free Shipping
Why we love it
- Superior quality magnesium supplement.
- Supports nervous system health.
- Promotes strong bones, teeth.
Main Highlights
- SUPERIOR QUALITY MAGNESIUM: Our supplement supports muscle function whilst offering psychological and energy metabolism support by restoring healthy levels of this essential mineral. Many people suffer from muscle cramps, tension, increased levels of anxiety and low energy.
- SUPPORTS NERVOUS SYSTEM AND COMBATS FATIGUE: Magnesium supports normal psychological function and is perfect for those with active lifestyles. Magnesium contributes to the reduction of tiredness and fatigue, supporting electrolyte balance and energy yielding metabolism.
- HEALTHY BONES & TEETH: Magnesium helps the body to make use of Vitamin D and calcium which produce hormones to support healthy bones and teeth.
- HIGH POTENCY, QUICK EFFECT: Our formula restores healthy magnesium levels by delivering 400 mg of pure elemental magnesium in a highly bioavailable citrate form, making it easier for your body to absorb and utilise. Daytime or night-time use.
- QUALITY MANUFACTURING : Our state of the art manufacturing facilities maintain adherence to superior standards and are FDA and NSF registered. Magnesium Powder Unflavoured is gluten free, vegan and sugar free.
Show More
5
MAG365 Magnesium Citrate Powder - Highly Absorbable Magnesium Supplement - Unflavoured 300g
Mag365
8% OffFree Shipping
Show More
Mag365
MAG365 Magnesium Citrate Powder - Highly Absorbable Magnesium Supplement - Unflavoured 300g
8% OffFree Shipping
Why we love it
- Highly bioavailable magnesium source.
- Supports optimal mineral absorption.
- Helps balance calcium levels.
Main Highlights
- AWARD-WINNING MAGNESIUM: combines magnesium carbonate with citric acid to create a highly bioavailable ionic magnesium citrate, making it easier for your body to absorb and utilise. This flagship, multi-award-winning formula is trusted worldwide for its effectiveness in supporting overall health, from stress management to muscle relaxation
- DELICIOUSLY NATURAL FRUIT FLAVOUR: Infused with the tropical and exotic taste of real fruit, MAG365 is naturally sweetened with steviol glycoside, a compound derived from the stevia leaf. This clean and lightly sweet flavour makes it enjoyable to drink, whether you prefer it hot or cold, and contains no artificial flavours or sweeteners
- SUPPORTS RELAXATION AND BETTER SLEEP: Designed to help improve sleep quality, MAG365 is perfect for those who feel irritable, or have trouble unwinding. Its magnesium-rich formula promotes relaxation, helping to reduce symptoms like restless legs syndrome and muscle cramps while improving your overall sense of calm
- A NATURAL BOOST FOR HEART, MUSCLE, AND BRAIN HEALTH: With its pure and non-GMO ingredients, MAG365 not only supports heart health by helping regulate blood pressure and cholesterol levels, but also aids in muscle recovery and brain function. It’s ideal for anyone experiencing cramping, bloating, difficulty focusing, or other signs of magnesium deficiency
- PREMIUM QUALITY IN EVERY BATCH: is made in small batches to ensure the highest level of purity and quality. Sourced from non-GMO sugar beets and seawater, this 100% pure magnesium powder dissolves easily in water, allowing you to customise your dosage based on your individual needs. Designed for both effectiveness and safety, it’s a supplement you can trust
Show More
6
Applied Nutrition Tri-Magnesium Powder 3 in 1 - Magnesium Glycinate Supplements for Bone, Muscle, Nervous System Sleep Health - 300 mg per Serving (200g - 50 Servings) (Lemon & Lime)
Applied Nutrition
20% Off
Show More
Applied Nutrition
Applied Nutrition Tri-Magnesium Powder 3 in 1 - Magnesium Glycinate Supplements for Bone, Muscle, Nervous System Sleep Health - 300 mg per Serving (200g - 50 Servings) (Lemon & Lime)
20% Off
Why we love it
- Optimizes mineral balance effectively.
- Supports normal nervous system.
- Maintains normal blood pressure.
Main Highlights
- Optimizes Mineral Balance: Tri-Magnesium Powder provides 80% of the recommended daily quantity of elemental magnesium per serving to support bone health, normal muscle function, and a balanced metabolism. Ideal for fitness enthusiasts and adults seeking high strength magnesium.
- Supports Nervous System: Our magnesium complex, including magnesium bisglycinate and magnesium taurate, contributes to normal nervous system functioning, making it perfect for professional athletes and those needing magnesium supplements for sleep.
- Maintains Blood Pressure: Regular intake of Tri-Magnesium Powder helps to maintain normal blood pressure and electrolyte balance. This vegan-friendly supplement is ideal for both men and women seeking a magnesium glycinate powder solution.
- Multi-Source Magnesium: Tri-Magnesium Powder features a blend of magnesium bisglycinate, magnesium taurate, and magnesium citrate, providing comprehensive support for muscle function and protein synthesis. Great for anyone needing magnesium supplements
- Delicious Flavours: Enjoy 3 tasty flavours with each serving of Tri-Magnesium Powder, packed with 300 mg of elemental magnesium. With 50 servings per container, it's perfect for adults and magnesium-deficient individuals needing a magnesium supplement.
Show More
7
Viridian - Magnesium Citrate Powder, 150g | Highly Absorbable Magnesium | Supports Energy, Muscle Function & Bone Health | Easy to Mix | 100% Active Ingredients | Nutritionist Formulated
Viridian
Free Shipping
Show More
Viridian
Viridian - Magnesium Citrate Powder, 150g | Highly Absorbable Magnesium | Supports Energy, Muscle Function & Bone Health | Easy to Mix | 100% Active Ingredients | Nutritionist Formulated
Free Shipping
Why we love it
- Promotes optimal muscle function.
- Enhances energy production.
- Supports overall wellness.
Main Highlights
- REDUCES TIREDNESS & FATIGUE: Magnesium is vital for reducing tiredness and fatigue, contributing to normal energy-yielding metabolism and helping you feel more energised throughout your day. An essential daily support for those with busy or active lifestyles.
- BONE & TOOTH HEALTH: Formulated to contribute to the maintenance of healthy bones and teeth, this essential mineral plays a key role in calcium absorption and skeletal support, making it ideal for those looking to maintain long-term bone strength and resilience.
- EASILY MIXES IN DRINKS: Fully reacted with citric acid for optimal solubility, this powder format dissolves easily in water, juice, or smoothies. A convenient, fast-absorbing option that fits seamlessly into your daily wellness routine, no tablets or capsules required.
- EXPERTLY FORMULATED: Contains 100% active ingredients with no artificial additives, fillers, or preservatives. Expertly formulated by qualified nutritionists using ethically sourced magnesium to deliver a clean, effective, and trusted supplement.
- COMPLETE SATISFACTION: Every Viridian supplement is fully considered from the seed to the recycling bank with 130 quality checks. Our customer service team and qualified nutritionists are based in Northamptonshire and available to support you. Our range is also stocked in independent health stores across the country.
Show More
8
TRIP Magnesium Glycinate Powder - 7,500MG Magnesium per Pack with L-Theanine & Lion’s Mane, Delicious Pomegranate Orange Blossom Flavour, Sugar Free, 1 Pack - 30 Drink Mix Servings
TRIP
16% OffFree Shipping
Show More
TRIP
TRIP Magnesium Glycinate Powder - 7,500MG Magnesium per Pack with L-Theanine & Lion’s Mane, Delicious Pomegranate Orange Blossom Flavour, Sugar Free, 1 Pack - 30 Drink Mix Servings
16% OffFree Shipping
Why we love it
- Delicious pomegranate orange flavor.
- Convenient magnesium blend included.
- Sugar free and vegan friendly.
Main Highlights
- DELICIOUS POMEGRANATE ORANGE BLOSSOM FLAVOR: TRIP Magnesium Powder offers a refreshing blend of pomegranate and orange blossom flavors, creating a delicious drink experience. Infused with L-theanine and Lion’s Mane, this sugar free formula makes it easy to enjoy anytime as part of your daily routine. Simply scoop, shake, sip, and enjoy.
- MAGNESIUM BLEND WITH L-THEANINE & LION’S MANE: Crafted with a thoughtful combination of Magnesium Glycinate and Magnesium Citrate, plus the added benefits of L-theanine and Lion’s Mane, this formula offers a convenient way to include magnesium in your day. Each serving provides 250mg of magnesium in an easy-to-mix powder that can be customized to your preferred taste and consistency.
- EASY TO MIX, SIMPLE TO ENJOY: Designed for convenience, this powder dissolves effortlessly with a quick stir or shake. A little settling at the bottom is natural—just give it another stir for a smooth sip. Each pouch contains 30 servings.
- SUGAR FREE AND VEGAN-FRIENDLY: TRIP Magnesium Powder is free from added sugars and is vegan friendly, making it an ideal choice for various dietary preferences. Whether you’re at home, in the office, or on the go, this magnesium blend fits easily into a variety of lifestyles.
- Consult a medical professional before taking any food supplement.
Show More
9
Ultra Lyte Magnesium Glycinate Powder with Trace Minerals 180g – Vegan & Gluten-Free Flavoured Magnesium Supplement – for Sleep Aid, Stress Relief & Muscle Relaxation – 60 Servings (180g, Grape)
Ultra Lyte
8% OffFree Shipping
Show More
Ultra Lyte
Ultra Lyte Magnesium Glycinate Powder with Trace Minerals 180g – Vegan & Gluten-Free Flavoured Magnesium Supplement – for Sleep Aid, Stress Relief & Muscle Relaxation – 60 Servings (180g, Grape)
8% OffFree Shipping
Why we love it
- Highly absorbable magnesium glycinate.
- Delicious flavours available.
- Vegan and gluten-free.
Main Highlights
- High Absorption Magnesium Glycinate with Trace Minerals: Our gentle Magnesium Glycinate formula is easily absorbed by your body, maximising the benefits you experience from a single serving. This formula is further enhanced with the exciting ConcenTrace Trace Mineral Complex, a unique blend of essential minerals like potassium and sodium, for a well-rounded health boost.
- Promotes Restful Sleep & Reduces Fatigue: Say goodbye to tossing and turning! Ultra Lyte Magnesium Glycinate Powder helps you achieve deeper, more restorative sleep, leaving you feeling refreshed and energised when you wake up. Additionally, it combats fatigue throughout the day, keeping you feeling your best at all times.
- Available in 3 Delicious Flavours: Mix up your routine and enjoy! Unlike capsules or tablets, our powder mixes easily into water or your favourite beverage. Choose from three refreshing flavours – Mixed Berry, Grape or Orange – to create a delightful and beneficial magnesium drink you can enjoy any time of day.
- Supports Muscle Relaxation & Stress Relief: Give yourself some relief from muscle tension and tightness with Ultra Lyte Magnesium Glycinate Powder. This formula also promotes a calmer nervous system, helping you manage stress and unwind after a long day.
- Vegan & Gluten-Free Magnesium Powder: We use high-quality, natural ingredients to create Ultra Lyte Magnesium Glycinate Powder – making it suitable for most dietary needs. It's vegan and gluten-free, so you can feel confident about adding it to your daily routine.
Show More
10
Magnesium Citrate Powder 500g | Muscle Function | Fatigue | High Strength | Vegan
Peak Supps
Free Shipping
Show More
Peak Supps
Magnesium Citrate Powder 500g | Muscle Function | Fatigue | High Strength | Vegan
Free Shipping
Why we love it
- Boosts nervous system functionality.
- Provides substantial Magnesium dose.
- Supports daily nutrient needs.
Main Highlights
- Each serving provides 300mg (80%NRV) of Elemental Magnesium.
- Magnesium contributes to the normal functioning of the nervous system.
- Magnesium contributes to the normal functioning of the nervous system.
Show More