Author name: Emily Collins, Nutrition Researcher (Supplements & Superfoods)

Two peptides are mentioned together so often in injury-recovery communities that some people assume they are the same compound. They are not. BPC-157 and TB-500 have different structures, different primary mechanisms, and different regulatory classifications — yet both occupy the same grey zone: animal data that is genuinely interesting, human data that is nearly absent,

Thymosin alpha-1 is one of the more genuinely interesting peptides in this series — approved in more than 35 countries for hepatitis B and hepatitis C, backed by two decades of peer-reviewed research across multiple independent groups, and yet formally unavailable in the United States. Since 2023, compounding pharmacies operating under Section 503A of the

Every few years the fitness industry rediscovers a compound that sounds tailor-made for the thing bodybuilders want most: burn fat without touching muscle, avoid the diabetogenic side effects of full growth hormone, and do it all with a small synthetic peptide that slips through the regulatory net. HGH Fragment 176-191 — sometimes written Frag 176-191,

AOD-9604 is the textbook case of a peptide that failed its pivotal weight-loss trial more than a decade ago and still gets sold to consumers — partly because Australia briefly reclassified it as a supplement, partly because compounding pharmacies in the GLP-1 shortage era picked it back up. The compound originated at Monash University in

If you have seen Epitalon sold online as a "telomere peptide" that extends human lifespan, the reasonable question to ask is: where did that claim actually come from, and has any independent group confirmed it? The honest answer is that every piece of compelling human evidence for Epitalon comes from a single Russian research group