Vendor Ratings
Independent ratings based on transparency, third-party testing, pricing, and regulatory compliance. Updated quarterly. Vendors cannot pay to improve their scores.
How We Rate
Each vendor is evaluated across 5 categories: transparency (25%), testing (25%), pricing (20%), reputation (15%), and compliance (15%). Letter grades reflect the weighted composite score. Read our full methodology
A-
Science.bio (Closed)
View full report → Transparency 95
Testing 90
Value 70
Compliance 40
B+
Peptide Partners
View full report → Transparency 80
Testing 90
Value 55
Compliance 65
B
Eternal Peptides
View full report → Transparency 70
Testing 80
Value 55
Compliance 60
B
Verified Peptides
View full report → Transparency 75
Testing 75
Value 55
Compliance 60
B-
ProHealth Longevity
View full report → Transparency 70
Testing 65
Value 60
Compliance 80
B-
Trident Peptides
View full report → Transparency 55
Testing 50
Value 60
Compliance 55
B-
Peptide Sciences
View full report → Transparency 50
Testing 65
Value 55
Compliance 50
C+
Infiniwell
View full report → Transparency 45
Testing 50
Value 30
Compliance 50
C+
Integrative Peptides
View full report → Transparency 40
Testing 55
Value 35
Compliance 45
C+
Paradigm Peptides
View full report → Transparency 45
Testing 60
Value 50
Compliance 55
C+
Swisschems
View full report → Transparency 50
Testing 55
Value 75
Compliance 40
C
Core Peptides
View full report → Transparency 50
Testing 45
Value 55
Compliance 50
C
Limitless Life Nootropics
View full report → Transparency 45
Testing 50
Value 55
Compliance 45
D+
LVLUP Health
View full report → Transparency 40
Testing 45
Value 50
Compliance 35
F
Amino Asylum
View full report → Transparency 15
Testing 25
Value 70
Compliance 0
F
Biokey Research
View full report → Transparency 5
Testing 5
Value 50
Compliance 10
F
Tailor Made Compounding
View full report → Transparency 20
Testing 25
Value 50
Compliance 5
Ratings reflect our independent analysis based on publicly available information and our documented methodology. Vendors cannot pay for favorable coverage or preview their ratings before publication. Full disclosure policy.