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 $5.40/mg. Kits go lower — $4.60/mg, sold only in multi-vial packs.
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 Singapore (€41) · 3–4 days to Indonesia (€50)
$9.40/mg
$47
10 mg
2 listings01
Bangkok PeptidesVID-BANGKOK- · TH dispatch · ฿1800
10 mg
99%
HPLC · MS (vendor claim ≥99%)
In stock
TH 1–3 days
$5.40/mg
$54
02
Pharma Lab GlobalVID-PHARMA-L · UK dispatch · from £56.78
10 mg
99%
HPLC certificates
In stock
10–14 days
$7.70/mg
$77
Kits · multi-vial packs, price per vial
01
5 mgkit of 10
99%
HPLC · MS · Janoshik
In stock
3–7 days (SG/TH/VN)
$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 →