Follistatin 315
Also known as: fst-315
Follistatin-315 (FST-315) is an isoform of follistatin, an activin-binding glycoprotein encoded by the FST gene.
Caliber Peptide Index tracks Follistatin 315 across 1 research-peptide vendor, with the lowest listed price at $99.0/mg (1mg) at Purehealthpeptides as of 2026-05-30. Prices below are normalized to dollars per milligram so different vial sizes can be compared on an equal basis. Follistatin 315 is sold by third-party vendors for research use only.
Research Applications
Studied in research on activin/myostatin signaling pathways.
Safety Considerations
Not an approved human therapeutic. Sold as a research chemical for laboratory use only — not for human consumption.
Available From 1 Vendor — Sorted by $/mg
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Frequently asked
- How many vendors sell Follistatin 315?
- Caliber Peptide Index currently tracks 1 research peptide vendor listing Follistatin 315.
- What is the lowest tracked price for Follistatin 315?
- The lowest tracked price for Follistatin 315 is $99.0/mg (1mg) at Purehealthpeptides. Prices are sorted by dollars per milligram so different vial sizes can be compared on an equal basis.
- How often are Follistatin 315 prices updated?
- Vendor prices are refreshed by our automated scraper (most recent update: 2026-05-30). Always confirm the current price on the vendor's site before purchase.
Caliber Peptide Index is a directory. We do not test, score, or endorse any vendor. Prices listed are what each vendor publishes; verify on the vendor's site before purchase.
Products listed for research purposes only — not for human consumption. Wiki content is summarized from publicly available research literature and is not medical advice.