Thymosin Alpha-1 (Zadaxin)
Evidence: ★★★☆☆ · Status: Prescription, Not Approved
In plain English
Tunes up the immune system's T-cells — approved in many countries (not the US) for chronic infections and used to bolster immunity.
How it works
Immunomodulator activating Toll-like receptors (TLR9/2) and T-cell maturation; approved in ~35 countries for hepatitis B/C and as a vaccine adjuvant.
Molecular target & official sources
TLR9 (NCBI Gene) · Thymalfasin (PubChem)
Bottom line
Real immunotherapy abroad; investigational in the US.
Helps with: Recover Faster · Immunity
Availability & where to buy
Prescription only. Prescription-only — a doctor must prescribe it. Not sold over the counter. (In Singapore: HSA-regulated.)
Compare Thymosin Alpha-1 (Zadaxin)
- Thymosin Alpha-1 (Zadaxin) vs Vitamin D3 (+ K2)
- Thymosin Alpha-1 (Zadaxin) vs Rapamycin (Sirolimus)
- Thymosin Alpha-1 (Zadaxin) vs Zinc
- Thymosin Alpha-1 (Zadaxin) vs Probiotics
- Thymosin Alpha-1 (Zadaxin) vs Beta-Glucans
- Thymosin Alpha-1 (Zadaxin) vs Medicinal Mushrooms (Reishi, Turkey Tail, Chaga)
- Thymosin Alpha-1 (Zadaxin) vs LL-37
Common questions
Does Thymosin Alpha-1 (Zadaxin) actually work?
Human-evidence rating: 3 of 5. Real immunotherapy abroad; investigational in the US.
Is Thymosin Alpha-1 (Zadaxin) legal or approved?
Regulatory status: Prescription, Not Approved.