Pure unit-conversion math for Follistatin (mg → mcg → IU on a U-100 insulin syringe). Half-life steady-state graph, cost-per-mcg comparator, shareable URL. Research use only — no clinical recommendations.
→ Open the Follistatin calculatorFollistatin is a myostatin-pathway antagonist. Variable construct half-life. Lee's myostatin-pathway work anchors the rodent literature; gene-therapy programs run separately.
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Verify your vendor: See Follistatin COA scores at /coa-index.