10 Best Pure Ketones in The UK

Last updated on 22/08/2025

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Why We Love It

Boosts ketones effectively.
Ketogenic and carb-free.
Dairy-free creamer.

Main Highlights

BOOSTS KETONES: Has the highest % of ketone boosting Pure C8 MCT of any MCT powder. Contains Ketosource Pure C8 MCT Oil. MCT Oil C8 is the only MCT that increases blood ketones effectively.
100% KETOGENIC & 0G CARBS: No carbs. No glucose spiking fibres. Only natural acacia fibre used which keeps blood sugar flat. This is an MCT Creamer that meets the standard for a true keto powder.
ZERO ARTIFICIAL INGREDIENTS: Only natural and health promoting high quality ingredients used. No synthetic ingredients. No additives like silica or silicon dioxide. No artificial sweeteners. Completely clean ingredients only used in this MCT powder.
DAIRY-FREE KETO CREAMER: Acts like a true creamer when mixed into coffee, tea and other drinks. Looks similar to milk when mixed in. Mix in easily with a vigorous stir with spoon or by using a frother. Most people use this as an MCT Coffee Creamer.
EASY ON STOMACH: No upset stomach that can come with low purity MCT Oils or some MCT Powders. Suitable for people with sensitive stomachs or gut sensitivities. The Pure C8 MCT Oil Powder is the best option to ensure no indigestion, loose stools or stomach aches with MCT oil intake.

Boosts ketones for weight loss.
Sustainable, chemical-free production.
Certified organic and versatile.

Main Highlights

4X RAPID CONVERSION KETONES: This organic C8 MCT Oil (fractionated coconut oil) delivers up to 4 times more ketones than standard MCT oils, helping you stay in a ketosis (fat-burning) state longer. Perfect for supporting your ketogenic diet and weight loss goals with enhanced calorie efficiency. Made up primarily of Caprylic Acid (C8), this oil delivers quick conversion into ketones in the body, ideal for those on ketogenic diets, or seeking rapid energy.
CERTIFIED ORGANIC C8 MCT OIL: With Soil Association certification, this C8 MCT oil upholds strict organic standards that prioritise natural and environmentally-friendly methods. Made from coconuts grown without the use of synthetic pesticides, herbicides, or chemical fertilisers.
SUPPORTS DIGESTION & ALL DIETS: High-purity C8 MCT oil, specially designed to be gentle on your digestive system, eliminating concerns about indigestion, loose stools, or stomach discomfort, commonly caused by lower-quality MCT oils. Dosage instructions included for optimal use. Gluten-free, vegan & keto diet-friendly. Contains tree nuts (coconuts).
VERSATILE USE: Create bulletproof coffee by blending C8 MCT oil with coffee, or add it to smoothies, protein shakes, and salads. It's flavourless and odourless nature enhances your diet without altering the taste of your meals, and ensures all the benefits without any added sugar.
SUSTAINABLY CERTIFIED: Made from 100% sustainable coconuts and manufactured under strict GMP with FSSC 22000 food safety and ISO 22000 accreditations. this C8 MCT oil meets global food safety and quality standards. Enjoy a premium product backed by rigorous quality assurance.

Boosts ketones 4X more.
Certified allergen-free and natural.
Easily integrated into diets.

Main Highlights

MAXIMUM KETONE BOOST: Highest purity source of MCT Oil C8 available at 99%+ purity. C8 MCT boosts ketones 4X more than other MCTs. (IMPORTANT NOTE: 100% purity is not possible with current technologies.)
ALL NATURAL, NON-ALLERGENIC & HIGHEST STANDARDS CERTIFICATION: Ketosource Pure C8 MCT Oil is Keto, Fasting, Vegan and Paleo friendly. Our natural C8 MCT is completely non-allergenic. It's certified free of gluten, dairy, nuts and shellfish. This is compliant with the strictest EU Directives and U.S. FDA. Our C8 MCT is produced in a BRC AA Global Standards compliant facility. It is also certified 100% sustainable & free of genetically modified organisms (GMO).
3RD PARTY LAB TESTED & TRANSPARENCY: We test every batch of our C8 MCT oil for active ingredients and contaminents to meet the highest standards. We publish these transparently. Please request a copy from our customer service if you do not find it. 3rd party lab tests consistently show this C8 MCT to be between 99.7 and 99.9% purity, and to meet ultra low contaminant standards.
EASILY USED WITH ANY DIET: C8 MCT Oil is a keto supplement that is odorless and tasteless. So you can use it instead of any traditional oils you use. Typical uses are adding to bulletproof coffee, teas and other drinks. You can pour it onto or mix it into any zero carb meal or snack. You can use it effectively to support your ketogenic diet, your fasting or with other diets. Please follow the instructions on packaging for advice on how to use it best and maximize your results.

Ketosource® Pure MCT Oil | High Purity Source of Ketone-Boosting C8 & C10 MCTs | Supports Keto Nutrition & Fasting | Vegan Safe & Gluten Free (500ml)

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Why We Love It

Exceptional purity with MCTs.
Non-allergenic, highest standard certification.
Compatible with any diet.

Main Highlights

MAXIMUM PURITY: High purity source of ketone-boosting MCTs with 99% or higher purity. This source combines C8 and C10 ketone-boosting MCTs (IMPORTANT NOTE: 100% purity is not possible with current technologies. Ask for 3rd party lab certificates to show true % of MCT purity)
ALL NATURAL, NON-ALLERGENIC & HIGHEST STANDARDS CERTIFICATION: Ketosource Pure MCT Oil is Keto, Fasting, Vegan and Paleo friendly. Our natural MCT is completely non-allergenic. It's certified free of gluten, dairy, nuts and shellfish. This is compliant with the strictest EU Directives and U.S. FDA. Our C8 MCT is produced in a BRC AA Global Standards compliant facility. It is also certified 100% sustainable & free of genetically modified organisms (GMO).
3RD PARTY LAB TESTED & TRANSPARENCY: We test every batch of our MCT oil for active ingredients and contaminents to meet the highest standards. We publish these transparently. Please request a copy from our customer service if you do not find it. 3rd party lab tests consistently show this MCT to be between 99.7 and 99.9% purity, and to meet ultra low contaminant standards.
EASILY USED WITH ANY DIET: MCT Oil is odorless and tasteless. So you can use it instead of any traditional oils you use. Typical uses are adding to bulletproof coffee, teas and other drinks. You can pour it onto or mix it into any zero carb meal or snack. You can use it effectively to support your ketogenic diet, your fasting or with other diets. Please follow the instructions on packaging for advice on how to use it best and maximize your results.

Organic C8 MCT Oil - 500ml - 100% Pure Cold Pressed C8 MCT - Premium Coconut Oil, Sustainably Sourced, Boosts Ketones 3X More Than Other MCTs (33 Day Supply) by Alpha01

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Why We Love It

Pure source of Caprylic Acid.
Provides great energy source.
Organic, non-GMO, gluten-free.

Main Highlights

✔ ORGANIC MCT OIL: Derived from organic coconuts, this high strength MCT Oil is a 100% pure source of Caprylic Acid (C8). This saturated fatty acid is the most beneficial medium chain triglyceride (MCT).
✔ SOURCE OF ENERGY: Suitable for vegetarians and vegans, organic MCT Oil can provide a great source of energy for those following a paleo, ketogenic or other low-carb diet.
✔ ADD TO FOOD & DRINKS: This organic MCT Oil can be consumed directly or added to juices, shakes, smoothies, tea, coffee, hot chocolate, soups, salads, hot meals, and more!
✔ OUR VALUES: This product is 100% organic, non-GMO, gluten free, dairy free, and preservative free!
✔ ALPHA01 PROMISE: We bring you only the highest quality ingredients – so you can feel comfortable about what you’re putting in your body. All of our products are GMP certified and fair trade.

Pure potency for ketosis boost.
Promotes peak mental performance.
Guarantees dietary and lifestyle compatibility.

Main Highlights

🌟 Pure Potency, Unmatched Ketogenic Power: Dive into the most ketogenic MCT available! Our Groovy Keto MCT C8 Oil Powder isn't just another supplement; it's a game-changer. Sourced exclusively from C8 (Caprylic Acid), the most efficient MCT for ketone production, this powder is 3x more ketogenic than mixed MCT products. Say goodbye to blends of C8 and C10, and welcome the unadulterated power of pure C8 for your ketogenic journey.
🚀 Human Super Fuel for Peak Performance: Transform your body into an energy powerhouse with our C8 MCT Powder. It's an instant source of clean, stable energy, directly absorbed by your liver and swiftly converted into ketones. Whether you're in a fasted state or gearing up for a workout, our MCT Powder elevates your mental clarity, concentration, and endurance. From tired to turbocharged, cross the finish line with unmatched vitality!
✨ Triple Distilled for Purity and Smoothness: We're committed to purity and quality at Groovy Keto. Our C8 MCT undergoes a triple-distilled, chemical-free extraction process, ensuring the cleanest and smoothest product that's completely tasteless and odourless. It's keto, paleo, vegan-friendly, non-GMO, and free from maltodextrin and palm oil. Now in a versatile powder form, it's perfect for any diet and lifestyle!
💪 Strengthen and Energize, Inside and Out: Groovy Keto MCT C8 Oil Powder goes beyond energy. It supports gut health, balancing good bacteria, and curbs cravings for unhealthy snacks. Packed with C8 and fibre, it energises and helps maintain a healthy appetite, keeping you strong and focused on your health goals.

100% Pure Raspberry Ketones Concentrate.
Vegan and gluten-free formula.
Sustainable and family-owned production.

Main Highlights

100% Pure Raspberry Ketones Concentrate - and nothing else...
Always GLUTEN FREE - Suitable for VEGANS - Always GM FREE
WHY CHOOSE SIMPLY PURE? Our ethos is to provide our customers with the purest and highest quality supplements possible. Our products are made by us in the UK to strict GMP standards, and most are Organic and Soil Association certified. We don't use binders, fillers or other additives in our capsules - we are Simply Pure, because your body deserves the best.
SUSTAINABLE & FAMILY OWNED: Our Norfolk based factory is powered by our own wind turbine and solar farm, so uses 100% renewable, green energy. We only use recyclable packaging and Organic or Wild Harvested plants, wherever possible. We hand-make our capsules in small batches to ensure the utmost freshness and quality.
QUALITY ASSURED: Our products are third party certified and lab tested for heavy metals and contaminants. We only source the finest raw materials, and our production is HACCP certified so you can be assured that our supplements are always of the highest quality and purity.
PLEASE NOTE: Do not be alarmed if your bottle has no inner seal! Continuing our commitment to sustainability, we are phasing out the inner seals from our bottles as they are not recyclable and - as all of our bottles now have a tamper-proof outer seal - they are no longer necessary.

Promotes weight loss on Keto.
Easily digestible and allergen-free.
Made from sustainable coconuts.

Main Highlights

4X MORE KETONES: This C8 MCT Oil (fractionated coconut oil) delivers up to 3 times more ketones than standard MCT oils, helping you stay in a ketosis (fat-burning) state longer. Perfect for supporting your ketogenic diet and weight loss goals with enhanced calorie efficiency.
EASILY DIGESTED: High-purity C8 MCT oil, specially designed to be gentle on your digestive system, eliminating concerns about indigestion, loose stools, or stomach discomfort, commonly caused by lower-quality MCT oils. Dosage instructions included for optimal use.
ALLERGEN & VEGAN-FRIENDLY: All-natural and made from 100% pure coconuts, this MCT oil is free from gluten, dairy, and shellfish. Non-GMO and keto-approved, it’s ideal for vegan, keto, and paleo diets without affecting flavour or aroma. Contains tree nuts (coconuts).
VERSATILE USE: Create bulletproof coffee by blending C8 MCT oil with coffee, or add it to smoothies, protein shakes, and salads. It's flavourless and odourless nature enhances your diet without altering the taste of your meals, and ensures all the benefits without any added sugar.
SUSTAINABLY SOURCED: Made from 100% sustainable coconuts and manufactured under strict GMP with FSSC 22000 food safety and ISO 22000 accreditations. this C8 MCT oil meets global food safety and quality standards. Enjoy a premium product backed by rigorous quality assurance.

KIKI Health - Organic C8 MCT Oil - 100% Pure, Non-GMO, Cold-Pressed - Boosts Ketones & Metabolism - Supports Ketosis, Energy, Mental Clarity & Focus - Unflavoured & Odorless - 500ml

9% Off

Why We Love It

Pure energy for active lifestyles.
Boosts metabolism and fat-burning.
Versatile and easy to use.

Main Highlights

PURE & FAST-ACTING ENERGY - 96%+ caprylic acid —the most efficient medium-chain triglyceride. Our organic MCT oil rapidly converts into ketones, fueling the brain and body with clean, sustained energy. Ideal for keto, low-carb, and active lifestyles.
KETO & METABOLISM SUPPORT - C8 MCTs boost ketones 4x more than other MCTs, enhancing fat-burning, mental clarity, and digestion while supporting gut health, perfect for ketogenic and intermittent fasting diets.
FLAVOURLESS & VERSATILE - Our odorless MCT oil blends seamlessly into coffee, smoothies, and meals without altering taste, offering an easy way to add healthy fats to your diet without any compromise.
100% ORGANIC & NON-GMO - Extracted from organic, non-GMO coconuts, our MCT oil is free from palm oil, fillers, or additives, ensuring exceptional purity and quality for optimal nutrition and clean energy.
QUALITY ASSURANCE - With over 20 years of expertise, KIKI Health ensures the utmost quality using plant-based organic ingredients, prioritising ethics, integrity, and purity in every step of our sourcing and manufacturing.

APE Nutrition C8 & C10 MCT Oil 100% Pure Coconut | Supports Keto Diet, Ketone Boost Intermittent Fasting for Energy & Mental Clarity, Vegan | 500ml Add to Drinks, Smoothies, Soups

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Why We Love It

Certified organic for pure energy.
100% coconut derived for quality.
Boosts cognition and focus naturally.

Main Highlights

✅ 100% COCONUT DERIVED & PURE: Quality and purity were a primary focus when developing our MCT Oil. Subsequently our MCT Oil is 100% derived from coconuts, with absolutely NO palm oil, NO Artificial Flavours, NO Artificial Colours & NO Artificial Sweeteners. We take pride in our premium and organic MCT oil which is: Gluten-Free, Wheat Free, Dairy-Free and 100% Vegan. Choosing us, you can be sure you are fueling your body with the best quality, pure MCT oil.
☕️ BULLETPROOF COFFEE: MCT Oil is odourless and flavourless making it a great addition to coffee, tea, shakes or salads. It slows down the absorption of caffeine, meaning you will get more sustainable energy and no spikes or crashes. This makes MCT oil a favourite coffee addition for elite athletes and people following a ketogenic diet.
⚡️ BOOSTS KETONES: APE Nutrition’s C8 & C10 MCT oil is rapidly converted by the body to be used as an instant source of ATP energy or turned in to ketones - great for anyone following a ketogenic diet as this ketone boost can help you stay in the fat-burning state known as ketosis. Fuel yourself naturally to conquer the day and stay focused on being in optimal health.
💡 NATURAL BRAIN FUEL: Ketones easily cross the blood-brain barrier, aiding cognition and focus. Our optimal formulation of 60% C8 (Caprylic Acid) and 40% C10 (Capric Acid) Medium Chain Triglycerides, will help improve your daily energy, boost focus & stay in a ketogenic state.

8.8

Excellent

We scanned 356 products

We reviewed these offers relevant to the Pure Ketones 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 Ketosource, STERLING NUTRITION, ALPHA01, Groovy Keto, Simply Pure, KIKI HEALTH, A | P | E, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Pure Ketones in the market, we considered we took a deep dive into 1781 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 Pure C8 MCT Powder | 500g Pouch | 4X Ketone Boost vs Other MCT Oils | Zero Carbs | Mixes Easily | Keto Coffee Creamer | Vegan Safe Gluten Free | Zero Artificial Ingredients | Unflavoured | Ketosource®. We love many things about this product by Ketosource. What sets it apart from the competition is Boosts ketones effectively. , Ketogenic and carb-free. , Dairy-free creamer.
The best value product for most shoppers and where user satisfaction is continuously the highest is Pure Organic C8 MCT Oil - 1000ml | 4X Ketones & Quick Conversion Support Keto Diet & Fasting | 100% Sustainable Coconuts | Safe & Premium Lab Tested | Vegan Friendly & Gluten-Free | STERLING NUTRITION by STERLING NUTRITION based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Pure Ketones and the best cost-to-value ratio is KIKI Health - Organic C8 MCT Oil - 100% Pure, Non-GMO, Cold-Pressed - Boosts Ketones & Metabolism - Supports Ketosis, Energy, Mental Clarity & Focus - Unflavoured & Odorless - 500mlat KIKI HEALTH with a 9% discount.
Our list of the best Pure Ketones 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.

10 Best Pure Ketones in The UK

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We scanned 356 products

We concluded that: