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Epicatechin and Myostatin

(-)-Epicatechin from cocoa modestly reduces myostatin and raises follistatin in early human data.

A free, animated epicatechin and myostatin you can read here or embed on any website, from Scrollchart.

Epicatechin and Myostatin

Epicatechin and MyostatinCocoa flavanol lowers serum myostatin and raises follistatin: brake released, modest hypertrophy signalBaseline brakeWith epicatechin 100 mg/day x 5dMyostatin (GDF8)circulating ligandActRIIB receptoron muscle fibre membraneSmad2/3 phosphorylated+ Smad4 to nucleusHypertrophy brakedsatellite cells heldMyostatinserum -16%ActRIIB bindingfewer ligand eventsSmad2/3 signallingpathway attenuatedBrake releasedhand grip +7% in 5 daysFollistatinantagonistFollistatin+49%Myostatin (baseline)Follistatin (baseline)Myostatin -16%Follistatin +49%Gutierrez-Salmean 2014, n=6 acute. Chronic resistance-training studies still pending.

Myostatin braking muscle growth via ActRIIB and Smad2/3, with follistatin as endogenous antagonist. Epicatechin lowers circulating myostatin by 16 percent and raises follistatin by 49 percent in a small acute trial, shifting the ratio toward growth.

Good for

  • Cocoa flavanol and myostatin explainer content
  • Natural anabolic supplement reviews
  • Sarcopenia and aging muscle articles citing follistatin/myostatin ratio

Source & accuracy

This epicatechin and myostatin is an editorial illustration built to represent the concept accurately. Where it shows figures, they are typical or representative values chosen to make the relationship clear, not a single underlying dataset. The diagram and its explainer are reviewed and maintained centrally, and updated over time as understanding improves.

Tilting the myostatin-follistatin balance

(-)-Epicatechin is a flavanol from cocoa and dark chocolate, the same family as green-tea catechins. The mechanism of interest for muscle is its reported effect on the myostatin system. Myostatin is a growth factor that brakes muscle growth, while follistatin binds and neutralises myostatin. Early human and animal data suggest epicatechin can modestly lower myostatin and raise follistatin, shifting the balance toward a more growth-permissive state.

How small the early signal is

The relevant human work is a small pilot study in older adults that reported changes in these markers and grip-strength measures, plus supportive animal data. These are early, low-sample findings, and changes in a blood marker do not guarantee meaningful gains in muscle size or strength in trained people. The effect should be treated as a promising hypothesis rather than a proven ergogenic.

Epicatechin is not an approved muscle-growth treatment. This is general educational information, not medical advice; consult a qualified professional before supplementing.

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Reference

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