Featured · Certificates and testing
How to read a peptide certificate of analysis
A certificate of analysis is only useful if you can tell which parts of it are evidence and which parts are decoration. Here is what each field means and what it does not.
4 min read · 5 Aug 2026 · Updated 6 Aug 2026 · 2 sources · 3 questions
Compounds and research
What the research reports on metabolic peptide quality verification in 2026
A research-focused review of peptide identity, purity, content reporting, certificates, and lot traceability for metabolic studies.
11 min read · 12 Aug 2026 · 4 sources
Compounds and research
What the research reports on MOTS-c and exercise-mimetic signaling
A research review of MOTS-c, AMPK signaling, metabolic homeostasis, and the limits of exercise-mimetic evidence.
10 min read · 12 Aug 2026 · 4 sources
Compounds and research
What the research reports on peptide HPLC purity and identity testing
A research-focused explanation of what HPLC purity can show, what it cannot prove, and why peptide identity testing is separate.
10 min read · 12 Aug 2026 · 6 sources