The letter comes from a fixed rubric on this vendor's own lab reports, so it only changes when their reports change (or age). The rank compares that score with every other active vendor and never changes the letter.
What it takes for A+
90+ points (54 now)
Endotoxin test on every batch (0 of 12 reported & passed)
Every certificate under 90 days old (4 of 12)
Independently verifiable lab on every batch (10 of 12)
Purity ≥ 99.0% on every batch (11 of 12)
Vendor score breakdown
Average across latest published reports
Lab credibility
22.5/25
Purity & quantity assay
18.7/25
Safety screening
0/15
Report age
5.8/15
Value ($/measured mg)
7.8/10
Published reports on file
0.9/3
Evidence contribution
53.9 / 90
Trustpilot
No rating available
Reputation adjustment
0.0
Vendor score
54 / 100
55.7 of 93 evidence points = 59.9/100 × 0.90 = 53.9; 53.9 + 0.0 = 53.9 → 54. Grade caps apply after this · methodology v4
Summary of the published evidence
12 latest reports across 12 compounds (Epitalon, PT-141, Ipamorelin, MOTS-c, BPC-157, NAD+, …), from Freedom Diagnostics, In-House, MZ Biolabs.
Quantity measured on 11 of 12; heavy metals reported on 0 of 12; endotoxin reported on 0 of 12.
Certificates dated between Oct 3, 2025 and Aug 12, 2026.
Trustpilot: no matched page — shown as unavailable and left out of the score.