Nootropic profile
MCT Oil
MCT (Medium-Chain Triglyceride) oil is a concentrated fat supplement derived from coconut or palm kernel oil. MCTs are rapidly converted to ketones in the liver, providing an alternative energy source for the brain that can enhance mental clarity, focus, and sustained cognitive performance - particularly during fasting or low-carb diets.
Best for
Educational only: this is not medical advice. Always check with a qualified healthcare professional before starting any supplement.
What is MCT Oil?
Medium-Chain Triglycerides (MCTs) are fatty acids with chain lengths of 6-12 carbon atoms, distinguishing them from the long-chain triglycerides (LCTs) that make up most dietary fat.
What it does for you
Community and editorial ratings, out of 5:
How to take it
- Starting dose: 5 ml (1 teaspoon) per day, gradually increasing to avoid digestive upset
- Typical maintenance dose: 15-30 ml (1-2 tablespoons) per day
- For cognitive support: 15 ml taken in the morning, often blended into coffee or smoothies
- C8 (caprylic acid): Considered the most ketogenic MCT - smaller doses (10-15 ml) may be sufficient
- C8+C10 blends: The most common formulation, balancing rapid ketone production with sustained energy
Watch out for
- Digestive effects: The most common side effect is gastrointestinal distress (cramping, diarrhoea, nausea), especially when starting or taking too much at...
- Caloric content: MCT oil is calorie-dense (approximately 115 calories per tablespoon). Factor into daily caloric intake.
- Liver considerations: Because MCTs are metabolised directly by the liver, those with liver disease should consult a doctor before use.
- Diabetes: MCTs can increase ketone production. Those with type 1 diabetes or risk of diabetic ketoacidosis should use with medical supervision.
- Pregnancy: MCTs are naturally present in coconut oil and breast milk. Supplemental use during pregnancy should be discussed with a healthcare provider.
The science, if you're curious.
- MCTs are rapidly converted to beta-hydroxybutyrate (BHB) and acetoacetate in the liver, providing an alternative brain fuel that can be used alongside...
- Ketones are a cleaner-burning fuel than glucose, producing fewer reactive oxygen species during metabolism and potentially reducing oxidative stress in...
- In conditions of impaired glucose metabolism (such as ageing, insulin resistance, or neurodegenerative disease), ketones can partially compensate for the...
- Some research suggests ketone bodies may increase Brain-Derived Neurotrophic Factor (BDNF), supporting neuroplasticity, learning, and memory.
Where to find it
- Coconut oil: Contains roughly 55-65% MCTs, though a significant portion is lauric acid (C12) which behaves more like an LCT
- Palm kernel oil: Another natural source of MCTs, used in commercial MCT oil production
- MCT oil supplements: Concentrated extracts containing primarily C8, C10, or C8+C10 blends - far more potent than whole coconut oil
- MCT powder: MCT oil spray-dried onto a carrier (often acacia fibre), easier on digestion and convenient for mixing
- Dairy fat: Contains small amounts of MCTs, particularly goat and sheep milk
Frequently asked
MCT (Medium-Chain Triglyceride) oil is a concentrated fat supplement derived from coconut or palm kernel oil. MCTs are rapidly converted to ketones in the liver, providing an alternative energy source for the brain that can enhance mental clarity, focus, and sustained cognitive performance - particularly during fasting or low-carb diets.
The main benefits people report from MCT Oil are: Cognitive Enhancement, Energy, Focus, Longevity, Memory, Motivation.
Starting dose: 5 ml (1 teaspoon) per day, gradually increasing to avoid digestive upsetTypical maintenance dose: 15-30 ml (1-2 tablespoons) per dayFor cognitive support: 15 ml taken in the morning, often blended into coffee or smoothiesC8 (caprylic acid): Considered the most ketogenic MCT - smaller...
Digestive effects: The most common side effect is gastrointestinal distress (cramping, diarrhoea, nausea), especially when starting or taking too much at...Caloric content: MCT oil is calorie-dense (approximately 115 calories per tablespoon). Factor into daily caloric intake.Liver considerations: Be...
MCTs are rapidly converted to beta-hydroxybutyrate (BHB) and acetoacetate in the liver, providing an alternative brain fuel that can be used alongside...Ketones are a cleaner-burning fuel than glucose, producing fewer reactive oxygen species during metabolism and potentially reducing oxidative stres...
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