Plain-English breakdowns of what each peptide is, how it works, what the research actually says, and how people put them together — minus the bro-science and the sales pitch.
Individual peptides, grouped by what people reach for them for.
Named combinations people run together, and why.
One plain-English peptide breakdown in your inbox each week, plus Carl’s free Beginner’s Field Notes (the one-page “what’s what” PDF). No hype, no spam, unsubscribe whenever.
Free. We’ll never sell your email. Education only — not medical advice.Start here if the directory looks like alphabet soup.
What peptides are, how they’re measured, and the vocabulary — from zero.
BPC-157 vs TB-500. Sema vs Tirz. Side-by-side, no favorites.
By goal — recovery, fat loss, sleep, skin — what maps to what.
Eating less on Ozempic/Mounjaro? The vitamins & protein that matter.
Research-use status, regional rules, and how to read a lab report.
Carl does the arithmetic so you don’t fat-finger a decimal.
Vial mg + water + target dose → units on the syringe, plus how long the vial lasts.
Two+ peptides in one vial? What each draw delivers, and units for a target dose.
mcg ↔ mg ↔ IU, and per-kg bodyweight helper.
Map a protocol across weeks and export calendar reminders.
