Where to Buy Follistatin in 2026: From $63.99/mg With a Coupon Code
Where to buy Follistatin: PepAssess lists Follistatin at 6 vendors. As of November 12, 2026, the lowest price with a coupon code is $63.99/mg at Value Research Labs (code PEPASSESS); the median across all sellers is $112.10/mg. Vendors are ranked by Evidence Score.
Prices and codes updated November 12, 2026 · re-checked every night
Follistatin is a protein made in many tissues that binds and neutralizes members of the TGF-beta family, mainly activin and myostatin.
Learn more about Follistatin from the published research: Proceedings of the National Academy of Sciences (2001) · Science Translational Medicine (2009) · ClinicalTrials.gov (NIH)
The compounds listed on this page are for research purposes only, not for human consumption.
Follistatin reconstitution calculator →
Follistatin coupon codes
Every Follistatin coupon code
7 Follistatin sellers with a confirmed code — highest Evidence Score first.
| Shop | Score | Vial with code | Per mg | Per mg with code | vs typical | Code discount | Code | |
|---|---|---|---|---|---|---|---|---|
| BioLongevity Labs | 100score | — | — | — | — | 15% off | ShopShop ↗ | |
| Alpha Peptides | 87score | 1 mg vial $75.79 with code | $84.21/mg | $75.79/mg with code | — | 10% off | ShopShop ↗ | |
| Value Research Labs | 64score | 1 mg vial $63.99 with code | $79.99/mg | $63.99/mg with code | — | 20% off | ShopShop ↗ | |
| Peptuvia | 63score | 1 mg vial $350.10 with code | $389/mg | $350.10/mg with code | — | 10% off | ShopShop ↗ | |
| Vitality Chems | 59score | 1 mg vial $200.24 with code | $224.99/mg | $200.24/mg with code | — | 11% off | ShopShop ↗ | |
| Project Amino | 21score | — | — | — | — | 10% off | ShopShop ↗ | |
| XLR8 | 15score | 1 mg vial $111.99 with code | $139.99/mg | $111.99/mg with code | — | 20% off | ShopShop ↗ |
Where to buy Follistatin: the short answer
What is the lowest Follistatin price with a coupon code?
As of November 12, 2026, the lowest Follistatin price PepAssess found with a coupon code is at Value Research Labs: $63.99 per mg with code PEPASSESS (20% off; $79.99 per mg before the code). Prices are re-checked every night. Value Research Labs coupon code
What is the best Follistatin coupon code?
As of November 12, 2026, the biggest Follistatin coupon code PepAssess has confirmed is PEPASSESS for 20% off at Value Research Labs, which brings it to $63.99 per mg. PepAssess lists each code with its discount and the seller's Evidence Score, based on lab reports confirmed with the testing labs. Value Research Labs coupon code
Where can I buy lab-tested Follistatin?
As of November 12, 2026, PepAssess lists 6 online vendors selling Follistatin; none has yet published a Follistatin lab report that the testing lab confirmed on its own records. Compare all 6 Follistatin vendors on PepAssess
What is the best Follistatin vendor?
PepAssess ranks Follistatin vendors by Evidence Score (0–100): what each vendor documents — lab reports confirmed by the labs, how often it tests, business transparency and buyer protection. As of November 12, 2026, the top-scoring Follistatin vendors are BioLongevity Labs (100/100), Alpha Peptides (87/100) and Value Research Labs (64/100).
What is the cheapest Follistatin per mg?
The lowest Follistatin price PepAssess found is $79.99/mg at Value Research Labs; the median across vendors is $112.10/mg (as of November 12, 2026). Prices come from each vendor's own store and exclude shipping and discounts.
Follistatin cost per week
What one 1 mg vial of Follistatin costs per week of research, at the lowest one-vial price with a coupon code: $63.99 at Value Research Labs (code PEPASSESS, $63.99/mg), as of November 12, 2026.
| One vial used over | Cost per week |
|---|---|
| 2 weeks | $32.00 |
| 4 weeks | $16.00 |
| 8 weeks | $8.00 |
Lab-confirmed Follistatin reports
0 of 6 sellers publish a Follistatin lab report. 0 have one the testing lab confirmed on its own records; 0 of those cover both purity (HPLC + mass-spec identity) and toxicity (endotoxin or sterility). Those covering both are listed first, then by Evidence Score.
| # | Vendor | Doses (mg) | From | Best $/mg | Evidence score ⓘ | |
|---|---|---|---|---|---|---|
| 1 | 10 | — | — | 100score | Shop | |
| 2 | 1 | from $84.21 ↗ | $84.21/mg | 87score | Shop | |
| 3 | 1 | from $79.99 ↗ | $79.99/mg | 64score | Shop | |
| 4 | — | — | — | 21score | Shop | |
| 5 | 1 | from $139.99 ↗ | $139.99/mg | 15score | Shop | |
| 6 | 1 | from $224.99 ↗ | $224.99/mg | 59score | Shop |
Prices come from each vendor's own public store data and may exclude shipping, discounts or bulk pricing. Research-use products; not medical advice.
About Follistatin
What it is
Follistatin is a protein made in many tissues that binds and neutralizes members of the TGF-beta family, mainly activin and myostatin.
How it works
- Binds activin in the pituitary as well; in young male monkeys it blocked activin-induced rises in FSH
The compounds listed on this page are for research purposes only, not for human consumption. Not medical advice.
Follistatin: more questions people ask
How can I tell if a Follistatin certificate of analysis (COA) is real?
Look the report up in the testing lab's own records — most labs that test peptides publish a lookup by report ID, QR code or lot number. PepAssess does this for every Follistatin report it finds: as of November 12, 2026, 0 of the 0 sellers publishing a Follistatin report had one the lab confirmed.
How much does a vial of Follistatin cost?
As of November 12, 2026, a 1 mg vial of Follistatin costs a median $125 across the 87 sellers PepAssess found with one in stock (lowest $52.82). Each seller's lowest in-stock price for that size counts once; prices come from each seller's own store and exclude shipping and discounts.
Can you buy Follistatin as a nasal spray or a pen?
Yes. As of November 12, 2026, 124 of the 6 Follistatin sellers PepAssess lists sell a vial; 27 a nasal spray and 21 a pen or pre-filled form. Counts come from each store's own product names. A lab report covers the product and batch it names — check that it's for the form you're buying.
How do I know if a Follistatin seller is legit?
Check what the seller can show. As of November 12, 2026, PepAssess checks every Follistatin seller for three things: a Follistatin lab report that the testing lab confirms on its own records (0 of 6), card payments, which let you dispute a charge (4 of 6), and a published street address — not a mailbox or registered agent (1 of 6). Each seller's PepAssess profile shows which of these it has.
Are there Follistatin coupon codes?
Yes. PepAssess lists coupon codes for 6 vendors selling Follistatin: BioLongevity Labs: PEPASSESS (15% off), Alpha Peptides: PEPASSESS (10% off), Value Research Labs: PEPASSESS (20% off), Vitality Chems: PEPASSESS (11% off), Project Amino: pepassess (10% off) and XLR8: PEPASSESS (20% off).