The newsletter

The newsletter on peptides

I write about peptides with one rule: start from the evidence, then look at what social media turned them into.

Some molecules have a real place. Others live mostly on anecdotes, shortcuts, and promises.
Join 1,000+ readers.

Archive

The articles

Mechanisms, use cases, limits, weak signals: the articles published so far on peptides and the topics around them.

Why I stopped retatrutide after two weeks.
Peptides
Why I stopped retatrutide after two weeks.
4.2 kg in two weeks, plenty of energy, and data heading the wrong way.
Read it →
Peptides and hair: what the science can actually support.
Peptides
Peptides and hair: what the science can actually support.
Regrowth, shedding, GHK-Cu, GLP-1s: what social media says, and what the evidence actually allows you to conclude.
Read it →
I microdosed the strongest weight-loss drug in the world. Here's the honest version.
Peptides
I microdosed the strongest weight-loss drug in the world. Here's the honest version.
Retatrutide, run through my own data and a clinician. The honest version: what worked, what didn't, and where my data hit its limit.
Read it →
My Health OS: all my health data in one place, read by AI
Health OS
My Health OS: all my health data in one place, read by AI
Bloodwork, wearables, genome, all in one folder, read by an AI that tells you what to do. The full no-code how-to.
Read it →
Leaving Lucis
Founder note
Leaving Lucis
Why I left the company I co-founded, what we built, and what comes next.
Read it →
I sequenced my whole genome. Here's what I found.
Genome
I sequenced my whole genome. Here's what I found.
The base layer under everything I do with my health. What a DNA test actually is, what mine changed, and the three steps to do it yourself.
Read it →
My Biomarkers — Full Snapshot
Health Baseline
My Biomarkers — Full Snapshot
Bio age 19. Pace of aging 0.74. Resting heart rate 40. VO2 Max 52.4. Full snapshot across metabolism, hormones, body composition, and strength.
Read it →
I Take 11 Supplements a Day
Supplement Protocol
I Take 11 Supplements a Day
11 supplements tied to my bloodwork. Three systems were broken: hormones, thyroid, inflammation. Full stack with doses, timing, and products.
Read it →
31 Tips to Fix Low Testosterone
Male Protocol
31 Tips to Fix Low Testosterone
Nothing besides TRT will drastically increase levels. The key is lifestyle. 31 science-backed actions, organized into morning ritual, evening ritual, diet, training, and stress management.
Read it →
7 Tips for High-Quality Sleep
Sleep Protocol
7 Tips for High-Quality Sleep
3 months of tracking with the Ultrahuman Ring Air. Took my sleep score from 82 to 100 in 15 days. 7 changes that actually moved the needle.
Read it →

Before you go

I track peptide news, explain what the science actually says, and document what is worth paying attention to. One email when there is something worth sending.

No spam. Unsubscribe anytime.