Medium-Chain Triglycerides

 
Medium-Chain Triglycerides

Medium-chain triglycerides are a class of fatty acids. Their chemical composition is of a shorter length than the long-chain fatty acids present in most other fats and oils, which accounts for their name. They are also different from other fats in that they have a slightly lower calorie content and they are more rapidly absorbed and burned as energy, resembling carbohydrate more than fat.

What Are "Star" Ratings?

a7_3star Reliable and relatively consistent scientific data showing a substantial health benefit.

a7_2star Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.

a7_1star For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support.

Our proprietary “Star-Rating” system was developed to help you easily understand the amount of scientific support behind each supplement in relation to a specific health condition. While there is no way to predict whether a vitamin, mineral, or herb will successfully treat or prevent associated health conditions, our unique ratings tell you how well these supplements are understood by the medical community, and whether studies have found them to be effective for other people.

For over a decade, our team has combed through thousands of research articles published in reputable journals. To help you make educated decisions, and to better understand controversial or confusing supplements, our medical experts have digested the science into these three easy-to-follow ratings. We hope this provides you with a helpful resource to make informed decisions towards your health and well-being.

This supplement has been used in connection with the following health conditions:


Used for AmountWhy
Athletic Performance
Refer to label instructions 1 star Medium-chain triglycerides contain a class of fatty acids that are more rapidly absorbed and burned as energy than other fats. For this reason, athletes have been interested in their use, especially during prolonged endurance exercise.

1 star Athletic Performance

Medium chain triglycerides (MCT) contain a class of fatty acids found only in very small amounts in the diet; they are more rapidly absorbed and burned as energy than are other fats.3 For this reason, athletes have been interested in their use, especially during prolonged endurance exercise. However, no effect on carbohydrate sparing or endurance exercise performance has been shown with moderate amounts of MCT (30 to 45 grams over two to three hours).4, 5 Controlled trials using very large amounts of MCT (approximately 85 grams over two hours) have resulted in both increased and decreased performance,6, 7 while a double-blind trial found that 60 grams per day of MCT for two weeks had no effect on endurance performance.8 A controlled study found increased performance when MCTs were added to a 10% carbohydrate solution,9 but another study found no advantage of adding MCT,10 and a third trial actually reported decreased performance with this combination, probably due to gastrointestinal distress, in athletes using MCTs.11

Used for AmountWhy
Type 2 Diabetes
Refer to label instructions 1 star Medium-chain triglycerides have been found to lower blood sugar levels and may be useful in treating type 3 diabetes.

1 star Type 2 Diabetes

Based on the results of a short-term clinical trial that found that medium-chain triglycerides (MCT) lower blood glucose levels,12 a group of researchers investigated the use of MCT to treat people with type 2 diabetes mellitus. Supplementation with MCT for an average of 17.5% of their total calorie intake for 30 days failed to improve most measures of diabetic control.13
Also indexed as:
  • MCT Oil,
  • MCTs,
  • medium chain triglycerides (MCT) oil

About this treatment

How to Use It

The best amount of medium-chain triglycerides to take is currently unknown. Athletes are not likely to benefit from less than 50 grams during exercise. Larger amounts may possibly help some, but may also impair performance if not combined with carbohydrate.

Where to Find It

Medium-chain triglycerides are found in coconut oil, palm kernel oil, and butter. Medium-chain triglycerides are also available as a supplement.

Possible Deficiencies

Most people consume adequate amounts of fat in their diets and many people consume excessive amounts, so extra fat intake as medium-chain triglycerides is unnecessary.


Last Review: 05-11-2011

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The information presented in Aisle7 is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2011.

© 1995-2011 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated. This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.

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