Head to head · read November 9, 2026
Purgo Labs vs Arizen BioLabs: which one can you verify?
Short answer: Purgo Labs takes 5 of 6 rows and Arizen BioLabs takes 0; 1 is a tie. Scores use the same Proof Score rubric for both vendors.
Criterion by criterion
| Check | Purgo Labs | Arizen BioLabs | Edge |
|---|---|---|---|
| Testing lab named | ILS Laboratories, Freedom Diagnostics, Kovera Labs, SteriGenix Analytical, Ethos Analytics (20 pts) | Not found (0 pts) | Purgo Labs |
| Lot lookup at the lab | ILS Laboratories verification portal (25 pts) | Not found (0 pts) | Purgo Labs |
| Street address published | 8361 E Evans Rd, Scottsdale, AZ 85260 (20 pts) | Not found (0 pts) | Purgo Labs |
| Independent review footprint | 230 Trustpilot reviews, 4.6/5 (20 pts) | 43 Trustpilot reviews, 4.8/5 (7 pts) | Purgo Labs |
| Dated public price | BPC-157 10mg at $44.99 (15 pts) | BPC-157 10mg at $49.99 (15 pts) | Tie |
Like-for-like prices
Same compound, same milligrams, list price before shipping or codes, both read on November 9, 2026. Lower list price takes the row; equal prices are a tie.
The WINTER line is shown for information only; the "cheaper" call uses list prices on both sides so the comparison stays like for like.
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