§ COMPOUND PROFILE · INDEPENDENT RESEARCH66 TESTS · AVG 98.67% · 219 SHOPS
◆ COMPOUND · GROWTH HORMONE
Growth Hormone

IGF-1 LR3

Modified insulin-like growth factor-1 with extended half-life (20+ hours). Researched for muscle growth, recovery, and cell proliferation.

Peptigrity tracks IGF-1 LR3 across 219 shops with 66 independent lab tests and an average HPLC purity of 98.67%.

Avg. HPLC purity98.67%
Lab tests on file66
Shops selling219

Lab test results

66 tests · AVG 98.67%
◆ CROSS-SHOP COMPARISON · SORTED BY DATE12 of 66 SHOWN
Date
Shop
Purity
Qty (labeled → tested)
Endotoxins
Lab
May 17, 2026
94.29%
1mg1.014mg+1.4%
< 0.5 EU/vial
May 6, 2026
99.00%
1mg1.04mg+4%
-
May 5, 2026
98.64%
1mg0.93mg-7%
-
May 5, 2026
98.64%
1mg0.93mg-7%
-
Apr 21, 2026
99.74%
1mg1.84mg+84%
Pass (Assay Sensitivity: ≤0.05 EU/mL)
Apr 21, 2026
99.79%
1mg1.37mg+37%
Pass
Mar 16, 2026
99.60%
1mg1.53mg+53%
-

Shops selling IGF-1 LR3

219 verified · top 6 shown

What Is IGF-1 LR3

Mechanism & research

Modified insulin-like growth factor-1 with extended half-life (20+ hours). Researched for muscle growth, recovery, and cell proliferation.

IGF-1 LR3 vs other peptides

Same category · Lab-verified
Compound
Mechanism
Avg purity
Tests
Compare
IGF-1 LR3→ This page
Long-acting IGF-1 analog
98.67%
66
Synthetic GHRH analog
99.34%
238
Selective GH secretagogue (ghrelin receptor)
99.68%
211
Modified GHRH analog (Mod GRF 1-29)
99.49%
137
29-amino acid GHRH analog
98.51%
119
GHRH analog with extended half-life
99.23%
71
Compared on independent lab purityBrowse all Growth Hormone

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