PeptideNerds

Thymosin Beta-4 Dosage Guide

Research Only
Alejandro Reyes

Written by Alejandro Reyes

Founder & Lead Researcher

PN

Reviewed by Peptide Nerds Editorial · Updated April 2026

Not medical advice. Dosage information is provided for educational purposes based on published research. This compound is not FDA-approved for human use. Always consult a qualified healthcare provider before starting any protocol. Full disclaimer.

Dosage overview

Typical dose 750 mcg to 2 mg twice weekly
Frequency Twice weekly
Cycle length 4-8 weeks

Dosing notes

Less commonly used than TB-500 due to cost.

Important safety information

Dosage ranges listed above are based on available research data and reported protocols. Individual dosing should be determined by a qualified healthcare provider based on your specific health profile, goals, and response to treatment.

  • Start at the lowest effective dose and titrate up gradually
  • Monitor for side effects, especially during dose increases
  • Do not exceed researched dose ranges without medical supervision
  • This is a research compound — human dosing guidelines are not FDA-established

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