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About Peptide Decode

Peptides are one of the most confusing topics in health, and most of that confusion is manufactured. I am trying to fix a specific part of it.

Why this exists

“Peptide” is a chemistry word. It describes a short chain of amino acids - nothing about what a substance does, whether it is legal, or whether it works. Which is why the same word covers a collagen powder from a supermarket, an FDA-approved medicine that has been through years of trials, and an unapproved compound sold in a vial marked “not for human use”.

Almost every bad peptide article treats those as one topic. They aren't. They differ in what is known about them, what you can legally buy, and what happens if you get it wrong. Mythree-bucket model is simply the observation that once you know which bucket something is in, most of the confusion dissolves.

How I work

Claims trace to a source you can check, and I name which kind it is: a study, a regulator, a product label, or arithmetic. Not everything worth writing about is a trial result, and pretending otherwise would be its own kind of dishonesty. I attribute rather than assert - I tell you what a source found, not what you should do. And when the evidence is thin, I say it is thin.

That last one is the whole point. There is no shortage of sites willing to tell you a rodent study means something for you. The useful thing - the thing almost nobody does - is to say plainly: this has never been tested in a human being. Myeditorial policy sets out the rules I hold myself to, including the ones that cost me money.

How I'm funded

Affiliate commissions and telehealth referrals. I sell nothing myself - no supplements, no house brand, no vials. That matters: I have no product to defend, so “the evidence doesn't support buying this” is a sentence I can actually afford to write. Where I earn a commission, I say so above the link, before you decide.

Who writes this

Sebastian Hunter

Founder and Editor

I'm a senior advisor who spends my days helping people make good decisions and my early mornings running long distances. I'm 42, married to Sofia, and father to two children who think my race medals are pirate treasure. Two 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 and now use with my eyes open and my bloodwork on file. I write here about what I take, what I do, what it costs, and what actually changes. I'm not a doctor. I'm a man running my own experiment and keeping honest notes.

I use the phrase “medically reviewed by” only where the reviewer holds an actual clinical credential - a licence to practise, not a job title. Where they don't, the byline says “reviewed by” and names their role. It's a smaller claim, and it's the true one.