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Cognitive
Selank
Tuftsin analog
Nasal peptide where carrier purity is as important as the active. Cognitive research.
B
Good
Catalog average across 97 samples
96.6%
Average purity
94.3%
Average of label dose
97
Samples tested
11
Vendors ranked
Grade distribution
How the ranked vendors fall across the grade scale.
A
4
B
1
C
4
D
0
E
2
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Selank vendor ranking
11 vendorsRankVendorPurityOf labelGrade
01Bulk Peptide Supply99.7%100.2%A Great02Peptide Crafters99.6%99.9%A Great03Lisa Biopeptide99.2%98.7%A Great04Marvel Pep98.4%96.8%A Great05Lejian Biotech Peptide97.6%95.9%B Good06Shanghai ERP Peptide Biotechnology96.6%98.7%C Okay07HK Peptides96.5%94.9%C Okay08Limitless Life96.4%94.6%C Okay09Wuhan Wansheng Biotechnology96.2%92.6%C Okay10Uther93.2%86.2%E Bad11Aavant Research91.2%84.6%E Bad