Peptide Guides
In-depth, science-backed guides to help you understand peptides and make informed decisions.

Peptides 101: A No-BS Guide to What They Are and What They Do
Everything you need to know about peptides — what they are, how they work, and which ones are worth your money.
Skincare Peptides vs Supplement Peptides vs Injectable Peptides: What's the Difference?
Not all peptides are created equal. Learn the key differences between topical, oral, and injectable peptides.
The TikTok Peptide Hype: What's Real and What's Marketing
Separating fact from fiction in the viral peptide content flooding your social media feeds.
Best Peptides for Muscle Recovery and Athletic Performance
A science-backed look at the peptides athletes and fitness enthusiasts are actually using for recovery — what the evidence says, what it doesn't, and what to watch out for.
Peptide Serums Explained: Matrixyl, Argireline, Snap-8, and More
How to decode peptide skincare labels, understand what each peptide actually does, and build a routine that makes sense.
Nootropic Peptides: Selank, Semax, and the Cognitive Enhancement Trend
What the clinical data actually shows about Selank and Semax — the Russian-approved peptides gaining popularity in Western biohacking circles.
Growth Hormone Peptides: CJC-1295, Ipamorelin, and What You Should Know
How growth hormone secretagogue peptides work, why pharmaceutical companies abandoned them, and what the gray market means for your safety.
Immune and Longevity Peptides: Thymosin Alpha-1, Epithalon, and the Evidence
What's actually approved, what's experimental, and the gap between longevity marketing claims and real clinical evidence.
GLP-1 Weight Loss Peptides: Semaglutide, Tirzepatide, Retatrutide, and What Comes Next
How the GLP-1 drug class works, how the approved options compare, what the next generation looks like, and why compounded and gray-market versions carry real risk.
Are Peptides Legal? FDA Categories, "Research Use Only," and Sports Bans Explained
A plain-English guide to how peptides are regulated: approved drugs, compounding pharmacies, FDA categories, research-chemical labels, and anti-doping rules.
How to Evaluate Peptide Quality: COAs, Third-Party Testing, and Red Flags
What a certificate of analysis actually proves, how to spot fake ones, and the questions to ask before trusting any peptide product, from serums to injectables.