Quick answer: These three names get used interchangeably across the peptide market, and they should not be. Thymosin alpha-1 is a 28-amino-acid synthetic peptide. Thymulin is a 9-amino-acid synthetic peptide requiring zinc for activity. Thymalin is not a single peptide at all - it is a polypeptide complex extracted from calf thymus. Two […]
Quick answer: Both were recommended by the FDA’s advisory committee in July 2026, and both received a fraction of the coverage that BPC-157 and TB-500 did. They also share something more interesting than a vote: nearly their entire published record comes from a single national research tradition, which is exactly the criticism FDA staff raised […]
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