Follistatin-344
Also known as: fst-344, fs-344, Follistatin
Follistatin-344 is an isoform of follistatin, an activin-binding glycoprotein encoded by the FST gene.
Caliber Peptide Index tracks Follistatin-344 across 9 research-peptide vendors, with the lowest listed price at $75.0/mg (1mg) at Peptidessource as of 2026-05-31. Prices below are normalized to dollars per milligram so different vial sizes can be compared on an equal basis. Follistatin-344 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.
Sources
Available From 9 Vendors — Sorted by $/mg
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Frequently asked
- How many vendors sell Follistatin-344?
- Caliber Peptide Index currently tracks 9 research peptide vendors listing Follistatin-344.
- What is the lowest tracked price for Follistatin-344?
- The lowest tracked price for Follistatin-344 is $75.0/mg (1mg) at Peptidessource. Prices are sorted by dollars per milligram so different vial sizes can be compared on an equal basis.
- How often are Follistatin-344 prices updated?
- Vendor prices are refreshed by our automated scraper (most recent update: 2026-05-31). 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.