Evidence-led · US
Peptides,
decoded.
One of the most interesting areas in health right now, and one of the hardest to get straight. The good answers are buried in forum threads, podcasts and trial PDFs. We dig them out and show the evidence behind each one.
Why this exists
It shouldn’t be this hard to get a straight answer.
I am 42. A couple of years ago I decided I was ageing badly and did something about it: sleep, strength, running, and then peptides, which I came to as a sceptic. Reading up on them, I found vendor copy, forum lore and clinic marketing sitting where the research should have been. So I read the research instead, had bloods done before I touched anything, and started keeping notes. This is the notebook. I am not a doctor, and I will never tell you what to take.
Sebastian Hunter, founder and editor →Why it is missing
Research compounds are sold for research use only. Spelling out what the studies found would put the seller on the wrong side of the law, so most of them explain nothing at all.
Where it ends up
The good explanations survive anyway, forty comments into a forum thread or an hour into a podcast, with nothing underneath them you can check.
What we do about it
We do the digging and show the working. Where a claim rests on a study, the citation is machine-fetched from PubMed so it cannot drift from the paper it names. Where it rests on a regulator, a label or plain arithmetic, we say that instead of dressing it up as science.
Categories
Three kinds of peptide.
The word covers three different things. What the research shows, whether it is legal, and where you can buy it all change depending on which one you are looking at, so this is the split worth learning first.
Library
Essential reading
- Map
What are peptides?
The whole landscape in one page: what a peptide is, what they do in the body, and how the categories differ.
Read guide→ - Clean
Collagen peptides
Human trials for skin and joints, how big the effects were, and who paid for the studies.
Read guide→ - Safety
Peptide side effects
Safety follows the bucket. What has actually been reported for each one, and what is worth watching.
Read guide→ - Research
BPC-157
One of the most studied compounds in animal research. What those results show, and where the human evidence stands.
Read guide→ - Tool
Peptide dosage calculator
Free reconstitution maths: concentration, draw volume, syringe units, and the U-50 syringe trap.
Open tool→ - Prescription
GLP-1 peptides
The biggest result in metabolic medicine in a generation, and how to tell the approved products from the lookalikes.
Read guide→
Tool
Reconstitution maths
Concentration, draw volume, syringe units. Maths you can check, not medical advice.