Peptides are short chains of amino acids that act as your body's signaling system. This guide explains what they are, how they work, their medical uses from GLP-1 drugs to skincare, and where the science stands.
Your body changes with the seasons. This isn't metaphor. Light exposure, temperature, humidity, activity levels, immune challenges, and hormonal profiles all shift between winter and summer -- and those shifts affect how peptides work, which peptides you need, and when you should take them.
Getting a drug to the right place in the body is often harder than making the drug itself. Cancer therapies that could destroy tumors also poison healthy tissue. Brain drugs that work in the lab cannot cross the blood-brain barrier.
Every time you squint, smile, or frown, a tiny molecular machine fires at the junction between your nerves and facial muscles. Acetylcholine crosses the synapse, the muscle contracts, and the skin folds along the same crease it's been folding along for decades.
BPC-157, the 'Body Protection Compound' peptide, has hundreds of preclinical studies showing healing properties -- but almost no human clinical data. Here's what the science says.
DSIP is one of neuroscience's strangest molecules -- no known gene, no known receptor, yet research shows effects on sleep, stress, pain, and even tumor suppression.
Epitalon is a synthetic tetrapeptide that reactivates telomerase to rebuild chromosome caps. Research shows telomere extension and lifespan effects in animal models.
GHK-Cu is a naturally occurring peptide that declines 60% by age 60. Research spans skin aging, wound healing, hair growth, lung repair, and cognitive decline.
LL-37 is your body's natural antibiotic -- a cathelicidin peptide that kills bacteria, fights viruses, disrupts biofilms, and directs immune responses.
In-depth research profiles for individual peptides.
Practical guides on peptide use-cases and applications.
Clinical trial breakdowns and study reviews.
Head-to-head peptide comparisons.
Practical instruction and how-to articles.
FDA, legal, and compliance content.
Industry updates and market analysis.
Glossary, mechanisms, and fundamental concepts.
Peptides in skincare — science and application.
Quick answers to common peptide questions.
Biohacking, wellness, and peptide protocols.