MCT : ce que ça change à l'effort

MCTs: what they change for your workout

Posted by ALVARO MADRAZO on

Why MCTs are in every BSE formula — and what that practically changes

We get asked this question regularly:

"What are MCTs, and why do you put them in everything?"

Short answer: Because they are the only lipid that behaves like sugar — without being one.

Long answer: Here it is.


The problem with classic lipids

Lipids are the best energy fuel on paper — 9 kcal per gram, compared to 4 for carbohydrates.

But their drawback is time.

A classic lipid — what we call an LCT, long-chain triglyceride — follows a long and complex digestive process:

  • Emulsification by bile
  • Enzymatic breakdown by the pancreas
  • Transit through the lymphatic system
  • Arrival at the liver
  • Specific transport to the mitochondria

From mouth to cell: 6 to 10 hours on average.

This is excellent for sustained energy. It's useless if you need it within the next 30 minutes.


What MCTs change

MCTs — medium-chain triglycerides — have a shorter molecular structure.

This structural difference changes everything at the digestive level:

  • They are water-soluble — no emulsification needed
  • They pass directly through the intestinal barrier
  • They reach the liver without lymphatic transit
  • They enter the mitochondria without specific transporters

Result: They are converted into ketones and available as energy in less than an hour.

And because they are consumed preferentially by the body, they are very rarely stored as fat.

It's a lipid that behaves with the speed of a carbohydrate — without the associated blood sugar spike.


Why this is crucial for exercise

Sugary gels work on a simple principle: glucose → fast energy.

The problem: This peak is followed by a crash. And the more you take, the more you become dependent on refueling.

MCTs break this logic.

They provide immediately available energy, but without glycemic variation. No peak. No crash. No 20-minute window where you absolutely have to eat.

During a long effort — trail running, cycling, ultra-endurance — this is the difference between managing your energy and being at its mercy.


MCTs alone vs. MCTs + LCTs: why we combine the two

Pure MCT oil exists. We could stop there.

We don't.

Because MCTs alone have a limit: they don't last as long as LCTs. The energy window is fast, but narrow.

That's why every BSE formula combines both:

  • MCTs for immediate availability
  • LCTs from oleaginous nuts (macadamia, peanut) for duration

It's a two-tier system. Not a random formula.


MCT quality: a detail that isn't

Not all MCT oils are created equal.

MCTs come in several fatty acids, depending on their chain length:

  • C8 (caprylic acid) and C10 (capric acid) → the most effective, rapid conversion to ketones
  • C6 (caproic acid) → unpleasant taste and odor, no functional benefit
  • C12 (lauric acid) → found in low-quality MCT oils, behaves more like an LCT

The MCTs we use at BSE are composed exclusively of C8 and C10, derived from coconut oil, without palm oil.

This is not a marketing argument. It's a formulation decision that directly impacts product effectiveness.


Beyond sport: the brain also runs on ketones

A point that is rarely mentioned, but well-documented.

The brain normally consumes glucose. But it can also use ketones — and some research suggests it even uses them preferentially in certain contexts.

In practice, for an athlete or someone with a busy day: MCTs maintain stable mental clarity, without the post-meal fog associated with carbohydrates.

This is one reason why the Peanut CORE formula works so well as a daily snack and as pre-workout fuel.


Why MCTs are in every BSE formula

Not because it's a trend. Not because it's a fashionable ingredient in the keto world.

Because without them, the lipid logic doesn't hold for short and medium-duration efforts.

Oleaginous LCTs are excellent — but slow. MCTs are the bridge between the slowness of lipids and the speed the body needs during exercise.

Removing MCTs from our formulas would be like keeping the engine and removing the starter.


Understand the Macadamia formula → [LINK] Discover CORE Peanut → Explore the whole range → [LINK]

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