Follistatin-344 dosage: reported doses and schedule

Human gene-therapy findings do not establish a dose for follistatin-344 protein vials.

Also called: FS344, FST344, FS-344, Follistatin 344.

Myostatin pathway · Myostatin- and activin-binding protein precursor.

Typical reported dose: 100 mcg once a day

  • Reported 100 mcg daily course: 100 mcg daily daily, under the skin. Reported by users, rare report. Studied in: Adults discussing self-use for muscle growth. (source)
  • Same log, intramuscular use: 100 mcg daily after changing route daily, into muscle. Reported by users, rare report. Studied in: Adults discussing self-use for muscle growth. (source)
  • Circulating daily range: 100–200 mcg daily for 10–30 days daily, under the skin. Reported by users, rare report. Studied in: Adults discussing self-use for muscle growth. (source)
  • Circulating training-day schedule: 50 mcg on training days on training days only, into muscle. Reported by users, rare report. Studied in: Adults discussing self-use for muscle growth. (source)
  • Whole-vial exposure in eye cases: Adverse-event exposure in a retrospective eye-clinic case series: complete 1 mg vials injected subcutaneously; not an established treatment regimen. one reported injection; repeats varied, under the skin. Reported by users, rare report. Studied in: Eleven male bodybuilding athletes presenting with central serous chorioretinopathy after self-directed injections. (source)

These are doses reported in labels, trials or user reports, not a personal plan. Check the source behind each one.

Work out syringe units with the dosing calculator

Related to Follistatin-344

Sources

Sources checked: 2026-10-18.

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