§ COMPOUND PROFILE · INDEPENDENT RESEARCH129 TESTS · AVG 99.48% · 219 SHOPS
◆ COMPOUND · IMMUNE SUPPORT & LONGEVITY
Immune Support & Longevity

Thymosin-Alpha 1 (A1)

Thymic peptide researched for immune modulation, T-cell activation, and antiviral response. Approved in over 35 countries as Zadaxin® for hepatitis B.

Peptigrity tracks Thymosin-Alpha 1 (A1) across 219 shops with 129 independent lab tests and an average HPLC purity of 99.48%.

Avg. HPLC purity99.48%
Lab tests on file129
Shops selling219

Lab test results

129 tests · AVG 99.48%
◆ CROSS-SHOP COMPARISON · SORTED BY DATE12 of 129 SHOWN
Date
Shop
Purity
Qty (labeled → tested)
Endotoxins
Lab
Apr 21, 2026
99.22%
10mg11.16mg+11.6%
Pass
Apr 15, 2026
99.63%
5mg5.351mg+7%
-
Apr 12, 2026
99.00%
10mg10.32mg+3.2%
-
Apr 12, 2026
99.00%
5mg5.21mg+4.2%
-
Mar 26, 2026
98.95%
10mg11.6mg+16%
-
Mar 24, 2026
99.65%
10mg11.46mg+14.6%
-
Mar 14, 2026
99.60%
10mg10.41mg+4.1%
-
Mar 12, 2026
99.67%
10mg10.62mg+6.2%
-
Mar 10, 2026
99.75%
10mg10.96mg+9.6%
-
Mar 10, 2026
99.61%
10mg10.45mg+4.5%
Pass
Mar 9, 2026
99.39%
12mg12mg+0%
-
Mar 8, 2026
99.02%
10mg11.51mg+15.1%
-

Shops selling Thymosin-Alpha 1 (A1)

219 verified · top 6 shown

What Is Thymosin-Alpha 1 (A1)

Mechanism & research

Thymic peptide researched for immune modulation, T-cell activation, and antiviral response. Approved in over 35 countries as Zadaxin® for hepatitis B.

Thymosin-Alpha 1 (A1) vs other peptides

Same category · Lab-verified
Compound
Mechanism
Avg purity
Tests
Compare
Thymosin-Alpha 1 (A1)→ This page
Thymic peptide (T-cell activation)
99.48%
129
NAD+ coenzyme (cellular energy / DNA repair)
98.58%
137
Telomerase-activating tetrapeptide (Khavinson)
99.41%
124
Mitochondria-targeted tetrapeptide
99.68%
95
α-MSH-derived anti-inflammatory tripeptide
99.62%
84
EPO-derived 11-aa peptide (no erythropoiesis)
99.47%
52
Compared on independent lab purityBrowse all Immune Support & Longevity

Related peptides

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