Research
Copper peptides and topical retinoids are both sold for photoaged skin. One has several small trials, the other decades of large ones. What each has actually demonstrated, and the head-to-head trial nobody has run.
"FDA-approved" and "works" are different questions, and conflating them is how most peptide confusion starts. This explains the two independent axes — regulatory status and evidence level — with four worked examples.
Fake and counterfeit versions of semaglutide and tirzepatide are being sold online, sometimes with made-up pharmacy labels. Here is how the FDA says to recognize them and buy safely.
Compounded semaglutide is not the same as Ozempic or Wegovy. It is not FDA-checked, the shortage that made it common is over, and the FDA has linked it to dosing errors and hospital visits. Here is the plain version.
Cerebrolysin is a brain-peptide mixture approved in many countries for stroke and dementia. It has real randomized trials - but a Cochrane review found the evidence weak and the benefits possibly too small to matter. Here's the honest read.
Peptides are a big deal in the healing and recovery world - BPC-157, TB-500, GHK-Cu, collagen. Some have real human data, some are strong in animals only. Here is each one, graded for wound healing and tissue repair.
For women, a few peptides have genuine evidence - collagen for skin and joints, GLP-1s for weight, PT-141 for low desire. Many others are marketed on hope. Here is the honest, goal-by-goal guide.
One peptide for sexual health is genuinely FDA-approved: PT-141 (Vyleesi), for low desire in premenopausal women. It works on desire in the brain - with real caveats. Here is what the evidence supports, and what the online marketing skips.
For men, the peptides with real evidence are specific: GLP-1s and tesamorelin for fat, PT-141 and kisspeptin for libido. The muscle and 'anti-aging' peptides are hyped hardest and proven least. Here's the honest guide.
Sore knees, stiff joints, cranky tendons - peptides are everywhere in the recovery world. Collagen has the best human evidence for joint comfort; BPC-157 and TB-500 are promising but mostly animal data. Here is what helps, graded.
