Product Description: 
Thymalin is a natural peptide bioregulator extracted from the thymus gland of calves, developed as part of the pioneering Russian bioregulator research program at the St. Petersburg Institute of Bioregulation and Gerontology. Unlike synthetic peptide bioregulators, Thymalin is a polypeptide complex containing multiple short-chain peptides that collectively regulate thymus-dependent immune function.
Current research has explored Thymalin in the following contexts: T-lymphocyte production and thymus-dependent immune restoration, age-related immune decline and immunosenescence models, natural killer cell activity and cellular immunity, thymus gland involution and immune aging research, longevity and healthspan extension in aging models, and combined bioregulator protocol research alongside Epithalon.
 
Why Researchers Are Interested in Thymalin 
The thymus gland begins to involute — shrink and lose function — from early adulthood, driving the progressive immune decline associated with aging. Thymalin's ability to restore thymus-dependent immune function has made it a cornerstone compound in longevity and immune restoration research, frequently studied alongside Epithalon in combined anti-aging protocols.
 
Specifications: 10mg | Lyophilized powder | Purity ≥98% | Store at 2–8°C
 
📖 Full Epithalon Research Guide — telomere elongation, longevity & anti-aging studies:
www.peptideresourcecenter.com/post/epithalon-research-guide-2026
 
For Research Use Only. Not intended for human or veterinary use.