Follistatin protocol
Follistatin (activin/myostatin-binding glycoprotein). The published work on this compound is animal or cell-culture research. No human dosing schedule exists to cite.
How Follistatin works
A glycoprotein that binds and neutralises members of the TGF-beta family including activin A and myostatin. Blocking myostatin removes a brake on muscle growth, which is the basis of the interest in it.
Follistatin dosing — what the literature actually supports
We publish a schedule when there is a citable human source and we say so when there is not. Filling this space with a number nobody measured would make the page look more complete and be worth less than nothing to you.
Reconstitution and measurement
This part is arithmetic and does not depend on the evidence level. Concentration is vial size divided by the bacteriostatic water you add. Draw volume is your target amount divided by that concentration. Units are draw volume times 100, because a U-100 syringe reads 100 units per millilitre. Common vials for Follistatin: 1 mg.
Storage and stability
Reported effects
- No human safety data for injected follistatin protein.
- Because follistatin binds activin as well as myostatin, its effects extend beyond muscle into reproductive and inflammatory signalling — a reason the safety question is not simply "more muscle".
Sourcing Follistatin
Whatever you are working with, the documentation matters more than the price. Ask for a batch certificate of analysis whose lot number matches the vial you actually receive — a COA for a different batch tells you nothing about yours.
Follistatin at Summit Research Supply → Grade a COA first
Summit is the supplier we feature and an affiliate link. Our COA checklist applies the same way to any vendor.
