Understanding Peptides.
Grounded in Science.
An independent, non-commercial reference library that translates peer-reviewed peptide research into clear, honest summaries — written and medically reviewed by William Ashford, MD.
Latest Articles
Evidence-based analysis of the peptides people are searching for in 2026.
Regenerative Medicine
KPV Peptide: The alpha-MSH Derivative Revolutionizing Gut and Skin Health
How the anti-inflammatory tripeptide KPV is being studied for gut and skin health ahead of the July 2026 FDA review.
NeurocognitiveThymosin Alpha-1: Precision Immune Modulation and Global Clinical Use
A 2026 clinical primer on thymosin alpha-1 as a precision immunomodulator, with key trial data.
NeurocognitiveSemax vs. Selank: The 2026 Science-Backed Guide to Cognitive Peptides
Comparing the clinical evidence behind two popular neurocognitive peptides for anxiety, focus, and memory.