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Cognitive
DSIP
Delta sleep inducing peptide
Sleep peptide with a short sequence and a wide quality spread. Sleep research.
C
Okay
Catalog average across 58 samples
95.5%
Average purity
91.9%
Average of label dose
58
Samples tested
7
Vendors ranked
Grade distribution
How the ranked vendors fall across the grade scale.
A
1
B
3
C
2
D
0
E
1
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DSIP vendor ranking
7 vendorsRankVendorPurityOf labelGrade
01Nantong Guangyuan Chemical GYC98.2%96.8%A Great02Bulk Peptide Supply97.7%97.5%B Good03Amino Amigos97.5%100.4%B Good04Zhengzhou Lan Yun Cosmetic Trading97.1%94.6%B Good05Shanghai ERP Peptide Biotechnology96.6%92%C Okay06Reta-Peptide96.5%88.8%C Okay07Polaris Peptides90.4%83.4%E Bad