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Lab tests for
sterlingpeptides.co.uk
5
Total tests
99.6%
Avg HPLC purity
1
Testing lab
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Newest
Highest purity
Date
Peptide
Tested by
Purity
JUN 15
2026
Retatrutide
Janoshik Labs
99.88%
View COA →
JUN 2
2026
Retatrutide
Janoshik Labs
99.76%
View COA →
JUN 2
2026
BPC-157
Janoshik Labs
99.23%
View COA →
MAY 7
2026
Ipamorelin
Janoshik Labs
99.52%
View COA →
MAR 30
2026
Retatrutide
Janoshik Labs
99.41%
View COA →