Thymalin
Thymic peptide that restores immune function and has anti-aging properties
Clinical Research Score: 3/5 — Backed by Russian clinical and longevity studies for immune support, with limited independent international trials.
Categories: Immune Support, Anti-Aging / Longevity
What is Thymalin?
Thymalin is a key piece of the Russian longevity research that has been quietly building evidence for decades. Developed by Vladimir Khavinson, it targets one of the most significant — and most overlooked — aspects of aging: the collapse of the thymus gland and the immune decline that follows.
People who use Thymalin in cycles report improved immune function, better resistance to seasonal illnesses, increased energy, and a general sense of vitality returning. Those in anti-aging protocols often combine it with Epithalon for what the research suggests is a powerful longevity combination — Thymalin restoring immune function while Epithalon addresses telomere maintenance.
The long-term research is what makes Thymalin stand out. Studies spanning years have shown reduced mortality rates in elderly populations using Thymalin/Epithalon combinations. It's not a flashy compound — it's a quiet, foundational intervention that restores the immune system's ability to protect you as you age.
How Thymalin works
Thymalin restores the function of the thymus gland — the immune organ that naturally shrinks as you age (a process called thymic involution). By restoring thymic function, it normalizes T-cell maturation, ensuring your body produces a full complement of properly trained immune cells. It also regulates the balance of cytokines (immune signaling molecules) and restores immune homeostasis — the balanced state where your immune system is strong enough to fight threats but not so overactive that it attacks your own tissue.
Scientific overview
Thymalin is a polypeptide complex isolated from the calf thymus. Developed by Vladimir Khavinson, it has been studied extensively in Russian gerontological research. Thymalin restores thymic function, normalizes T-cell subpopulations, and has been shown in long-term studies to reduce mortality and increase lifespan in elderly populations when used in combination with Epithalon.
Dosing
- Starting dose: 10 mg per day
- Common dosage range: 10 mg per day for 10-day cycles
- Administration: Intramuscular, Subcutaneous
- Half-life: ~4 hours
- Frequency: Daily for 10-day cycles, 2-3x per year