Checkthevendor

[SAMPLE] Prime Research

F
Avoid
45.5/100
Confidence: Limited
D-ceiling (max D+): no independent third-party COA
Independent COANone
Measured purityvendor-claimed 99% (unverified)
Price / mg5.20 USD/mg (Jun 2026)
Last reviewed

Score breakdown

CriterionWeightScoreTypeEvidence
Lab Testing & COA25%20Measured
Measured Purity18%50Measured
Transparency12%60Editorial
Reputation & Service12%
Pricing & Value10%70Measured
Shipping & Fulfilment8%
Payment & Checkout Trust8%
Website & Operational Trust7%65Editorial

Grades reflect vendor reliability only — not the safety, efficacy, or legality of any product. Nothing here is medical advice.