Compound dossier · evidence, sources, and live market
Follistatin
Growth factor Preclinical only 0 cited studies 9 live vendors
An activin/myostatin-binding protein studied in research on muscle and tissue-growth pathways.
Evidence brief
Follistatin is a glycoprotein that binds and neutralizes activin and myostatin, both members of the TGF-beta superfamily; because myostatin restrains muscle growth, blocking it is the basis of follistatin's muscle-building reputation.
first-party prices captured 40m ago
Compare by exact vialThe small sealed glass container a compound ships in. size: 1mg (8 vendors)
These figures are what pepmg still publishes about price: the floor, the middle, the spread and how many sources we track, computed from listings we captured first-party and refreshed on the same schedule as always. We no longer publish the individual listings or the sellers behind them.
Computed from 10 in-stock listings across 9 sources we captured first-party, with bulk vials, blends and statistical outliers excluded so the figures compare like with like. The spread is the highest tracked price divided by the lowest — how much the same milligram varies depending on where you look. The chart is the daily minimum; days we did not capture are left out rather than filled in.
- What the research says about follistatin Preclinical only
Follistatin is a glycoprotein that binds and neutralizes activin and myostatin, both members of the TGF-beta superfamily; because myostatin restrains muscle growth, blocking it is the basis of follistatin's muscle-building reputation.
Read the full review →
▸ Why compare $/mg for Follistatin?
Prices for this compound vary widely between vendors; comparing $/mg avoids overpaying.
▸ Reading the COA
Always check each vendor's third-party Certificate of Analysis (COA) for identity and purity.
▸ Same cluster
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| Prostamax | $1.89/mg | |
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| Thymogen | $2.42/mg | |
| Chonluten | $1.89/mg | |
| Bronchogen | $1.89/mg | |
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