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Lab tests for
penguinpeptides.com
46
Total tests
99.2%
Avg HPLC purity
1
Testing lab
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Newest
Highest purity
Date
Peptide
Tested by
Purity
MAR 10
2026
Sermorelin
Janoshik Labs
94.50%
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JAN 25
2026
Semaglutide
Janoshik Labs
99.64%
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JAN 22
2026
AOD-9604
Janoshik Labs
99.72%
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JAN 21
2026
SEMAX
Janoshik Labs
99.33%
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JAN 21
2026
SEMAX
Janoshik Labs
99.47%
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JAN 21
2026
DSIP (Delta Sleep-inducing Peptide)
Janoshik Labs
99.03%
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JAN 21
2026
CJC-1295 with DAC
Janoshik Labs
99.13%
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JAN 21
2026
GHK-Cu
Janoshik Labs
99.59%
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JAN 21
2026
SELANK
Janoshik Labs
99.82%
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JAN 21
2026
SELANK
Janoshik Labs
99.62%
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JAN 21
2026
Ipamorelin
Janoshik Labs
99.63%
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JAN 21
2026
Ipamorelin
Janoshik Labs
99.85%
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JAN 21
2026
Tesamorelin
Janoshik Labs
99.13%
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JAN 21
2026
HGH 191AA
Janoshik Labs
96.31%
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JAN 21
2026
HGH 191AA
Janoshik Labs
95.02%
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JAN 21
2026
BPC-157
Janoshik Labs
99.76%
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JAN 20
2026
VIP (Vasoactive Intestinal Peptide)
Janoshik Labs
99.42%
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JAN 20
2026
ARA-290
Janoshik Labs
99.70%
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JAN 20
2026
GHK-Cu
Janoshik Labs
99.55%
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JAN 20
2026
PT-141
Janoshik Labs
99.82%
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JAN 20
2026
Kisspeptin
Janoshik Labs
99.01%
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JAN 20
2026
Kisspeptin
Janoshik Labs
99.45%
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JAN 20
2026
MOTS-C
Janoshik Labs
99.53%
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JAN 20
2026
MOTS-C
Janoshik Labs
99.84%
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JAN 20
2026
Melanotan II (MT-2)
Janoshik Labs
99.50%
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JAN 20
2026
Cagrilintide
Janoshik Labs
99.84%
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JAN 20
2026
Cagrilintide
Janoshik Labs
99.82%
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JAN 20
2026
Tesamorelin
Janoshik Labs
99.86%
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JAN 20
2026
Tirzepatide
Janoshik Labs
99.90%
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JAN 20
2026
Tirzepatide
Janoshik Labs
99.87%
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JAN 20
2026
Tirzepatide
Janoshik Labs
99.88%
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JAN 20
2026
Tirzepatide
Janoshik Labs
99.83%
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JAN 20
2026
Tirzepatide
Janoshik Labs
99.86%
View COA →
JAN 20
2026
Tirzepatide
Janoshik Labs
99.68%
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JAN 20
2026
Tirzepatide
Janoshik Labs
99.62%
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JAN 20
2026
Tesamorelin
Janoshik Labs
99.49%
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JAN 20
2026
Semaglutide
Janoshik Labs
99.81%
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JAN 20
2026
Semaglutide
Janoshik Labs
99.89%
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JAN 20
2026
Semaglutide
Janoshik Labs
99.73%
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JAN 20
2026
TB-500
Janoshik Labs
99.86%
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JAN 20
2026
TB-500
Janoshik Labs
99.56%
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JAN 20
2026
BPC-157
Janoshik Labs
91.65%
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JAN 20
2026
Retatrutide
Janoshik Labs
99.86%
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JAN 20
2026
Retatrutide
Janoshik Labs
99.81%
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JAN 20
2026
Retatrutide
Janoshik Labs
99.87%
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JAN 20
2026
Retatrutide
Janoshik Labs
99.88%
View COA →