Simple Peptide operates as both a retail and bulk vendor with a broad peptide catalogue. The vendor uses Freedom Diagnostics for third-party HPLC testing, with COAs averaging 99.7% purity, though testing coverage remains partial. Community feedback from two sources runs mixed: product quality draws 37 mentions with divided opinions, customer service 12 mentions also mixed, while shipping experience leans positive across 8 mentions. The evidence is consistent but limited in breadth.
Data last updated
Anecdotal signals
Price
regional price-per-mg comparisons
We don't issue verdicts — we publish the evidence and let it speak. For Simple Peptide we have 64 substantiated community mentions from real, linkable sources. We hold 35 captured lab documents (COAs) for this vendor. Our automated site audit has verified the vendor's published catalogue and COA surface. The sections on this page hold the evidence behind each of those numbers.
We have captured 64 substantiated community mentions of Simple Peptide across product quality (37, mixed), customer service (12, mostly negative), shipping (8, mostly positive), testing transparency (7, mixed). Each count reflects real, linkable reports — the quotes behind every number are in the community sections on this page.
10 of 31 observed peptides have a COA mapped to them. Latest captured reports are from Freedom Diagnostics.