Immune-modulation research
Thymosin Alpha-1.
5 vendors · $47–77
N-terminally acetylated 28-residue peptide derived from prothymosin alpha. Researched for T-cell maturation pathways. Marketed in some countries as Zadaxin (Italy, Mexico, China) under prescription; research-peptide formulations are not approved for human therapeutic use.
Live vendor register · grouped by strength
Every vendor. Cheapest per mg first, kits listed separately.
THYMOSIN-ALPHA-1 · price per mg
5 listings · unflagged vendors first · Listings data last updated October 2026
Best price per mg: Bangkok Peptides 10 mg at $5.50/mg.
5 mg
2 listings01
Particle PeptidesVID-PARTICLE · SK dispatch · €40.64 ex-VAT
5 mg
96%
COA PDF (method unstated)
In stock
DHL Express 2–3 days to Egypt (€43) · TNT 2 days (€110)
$9.40/mg
$47
10 mg
2 listings01
Bangkok PeptidesVID-BANGKOK- · TH dispatch · ฿1800
10 mg
99%
HPLC · MS (vendor claim ≥99%)
In stock
International tracked courier (times vary by destination)
$5.50/mg
$55
02
10 mg
99%
HPLC certificates
In stock
10–14 days
$7.70/mg
$77
Flagged vendors · documented, never recommended
01
QSC PeptidesVID-QSC-PEPT · Kit of 10 · CN warehouse
5 mgkit of 10
99%
HPLC · MS · Janoshik
In stock
7–14 days
$4.60/mg
$23≈ $230 per kit
Long-form research guide
Immunity Enhancement Research. Mechanism + protocols + safety.
T-cell modulation, innate immunity, and adjuvant effects in preclinical models
Open the long-form guide for Thymosin Alpha-1 →