Description
Description
The purest form of MCT — at 99.8% Pure C8. Onyx Nutra's C8 MCT Oil is the gold standard in MCT supplementation: 100% Caprylic Acid (C8:0) sourced exclusively from coconuts, refined to an ultra-pure 99.8% C8 profile. C8 is the most rapidly converted MCT to ketones, making it the most potent choice for brain fuel, metabolic efficiency, and performance. No palm oil, seed oils, or carriers. Keto-friendly, Halal certified. Made in the UK to GMP standards using no GM products. 33 servings of pure, coconut-powered performance.
Delivery
Delivery
All UK orders are dispatched on a fully tracked service, with delivery expected in 1–2 business days. Please note that orders submitted after 5pm, or on weekends and bank holidays, will be picked up and processed on the next available business day.
For results that last
For results that last
Ingredients & Dosage
Ingredients & Dosage
Nutritional Information - C8 MCT Oil — Pure Caprylic Acid
C8 MCT 100% Sourced Coconut Oil - Gold Standard
C8 MCT 100% Sourced Coconut Oil - Gold Standard
Gold Standard MCT Oil
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Pure Caprylic Acid (C8)13.79g per serving
The gold standard at 99.8% purity — the most rapidly converted MCT to ketones.
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100% Coconut Sourced99.8% C8 purity
Sourced exclusively from coconuts — no palm oil, seed oils, or carriers.
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Zero Carbohydrates0g · keto-friendly
The clean keto profile, popular in ketogenic and low-carb lifestyles.
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Total Fat14g per serving
14g of pure medium-chain triglyceride fat per 15ml tablespoon serving.
FAQs
Got questions? We’ve got answers.C8 (Caprylic Acid) converts to ketones more rapidly than C10 or C12 MCTs. At 99.8% pure C8, this is the most potent and fast-acting MCT formulation available — the gold standard choice for brain fuel and metabolic performance.
99.8% pure Caprylic Acid (C8:0) — sourced exclusively from coconuts with no other MCT chains diluting the formula.
Yes — C8 MCT Oil is zero carbohydrates, zero sugars, and is one of the most effective supplements for maintaining ketosis and supporting fat-based energy.
Yes — Halal food certified, keto-friendly, and free from palm oil, seed oils, and carriers. Made in the UK to GMP standards.
Add 1 tablespoon (15ml) to coffee, shakes, dressings, or smoothies. Unflavoured and blends cleanly without altering taste.
Those who want maximum ketone conversion speed and the purest possible C8 profile — particularly those focused on cognitive performance, ketogenic dieting, or metabolic optimisation.
Each 500ml bottle provides 33 servings at one 15ml tablespoon per day.
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