Does Size Matter? Big Puck vs Little Puck in a Lyophilized Vial
Peptide Critic tested normal-looking and tiny residue-looking lyophilized pucks from the same Semax/Selank blend.
Peptide Degradation and Storage: Tirzepatide, MOTS-c, and Mazdutide Lab Results
Peptide Critic partnered with Analytical Formulations Inc. to test how Tirzepatide, MOTS-c, and Mazdutide held up under refrigerated and room-temperature storage over time.
HYB’s 10mg “Retatrutide” Disaster: When Your Telegram Plug Sells You a Mystery Peptide
“Retatrutide” batch tested at zero RETA, sending two users to the hospital. Peptide Critic breaks down the factory raid, AFI test results, community warnings, and the dangers of gray-market peptides.
The Rise of Grey Market Peptides: Popularity, Transparency, and Safe Research Practices
Grey market peptides are growing in popularity, but safe research practices are essential. Learn about transparency, vendor testing, and lab protocols that protect research integrity.
The Importance of Third-Party Testing in the Peptide Industry
Learn why third-party peptide testing is essential for research reliability. Discover trusted labs like Janoshik, Freedom Labs, and Colmaric, and why vendor COAs alone aren’t enough.