GDF-8
The protein better known as myostatin, the body's own brake on muscle growth — animals lacking it become heavily muscled. It is sold as a research protein, and most performance interest is in blocking it rather than taking it.
- Sources carrying it
- 13
- Listings indexed
- 13
- Lowest listed
- $86.27
- Median
- $139.25
- Highest listed
- $548.00
across 1mg → 5mg
Sticker prices in US dollars, across every dosage and pack size (1mg → 5mg) — so the spread includes different quantities, not just different sellers. Prices are the sellers' own listed prices, re-checked periodically rather than tracked daily.
Who lists it & for how much
Members only
The 13 sources that list GDF-8, and what each one charges, are behind the membership. Prices above are the range across every source that lists it — the membership is what tells you which source and for how much, with links and contacts.
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Sourcery is an information directory. It does not sell anything and does not handle orders — it indexes what sources publish so they can be compared in one place.