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Thymulin

peptides · Zinc-dependent thymic immune peptide

Moderate evidence

Thymulin is a short peptide made by the thymus gland that's required for T-cell differentiation and immune competence. Production drops sharply after puberty; it's inactive without zinc as a cofactor.

⏱️ Timing & dosage for Thymulin

Best time to take

Once daily. Cycle 20 days on, 3x per year (roughly every 4 months).

Suggested dose

0.5-2 mg per injection, subQ

✅ Benefits of Thymulin

  • Restores T-cell differentiation and immune competence
  • Addresses age-related thymic decline
  • Supports immune response in older adults
  • Complements Thymosin Alpha-1 for comprehensive immune support

⚠️ Side effects & risks

  • Administered via daily subQ injection; sourced as a research compound -- verify purity/COA
  • Requires adequate zinc intake (15-30 mg elemental zinc daily, starting at least 7 days before the first injection) -- inactive without it; balance zinc with copper to avoid deficiency

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⚕️ Medical Disclaimer: Nothing on Stack Ritual constitutes medical advice. The information provided is for educational purposes only. Always consult your doctor or a qualified healthcare provider before beginning, changing, or stopping any vitamin, supplement, or wellness regimen.