For research use only. Not for human consumption. Not medical advice — consult a licensed clinician.

Independent test result

IGF-1 LR3

by Peptide Supply Co.· batch GLR31031026

99.16 %

measured purity(HPLC)· March 12, 2026

HPLC purity
99.16
Net peptide content
0.92

How this batch compares

This batch measured 99.16%, right at Peptide Supply Co.'s average of 99.19% for this peptide over 2 batches, and 0.46 pts above the all-vendor average of 98.70% across 23 COAs from 11 vendors.

94.6% 100.0%
This batch 99.16% Vendor avg (2 batches) 99.19% Peptide avg (23 COAs) 98.70%
Where to buy

Product pages for this peptide at Peptide Supply Co.