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Protocol: Follistatin-344 cycles are kept short (10-30 days) due to the compound's potent effect on follicle-stimulating hormone (FSH), which can temporarily affect fertility in men
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Last reviewed: June 6, 2026 Last updated: June 6, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations
Most community protocols reconstitute the 80 mg vial with 3.0 mL bacteriostatic water (about 26.7 mg/mL total blend) and use once-daily subcutaneous injections starting at small volumes
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