Whatstack.

Peptides

Every peptide — what it does, dose, reconstitution, cycle, what it pairs with.

72 entries

Supplements

Vitamins, minerals, and the broader supplement universe with evidence ratings.

194 entries

Stacks

Ready-made supplement protocols — the foundational five, sleep, focus, and more.

10 curated

Goals

Start from a goal — pick what you're optimising for and get a starter protocol.

Goal → stack

Blood tests

Biomarkers with conventional vs optimal ranges and how to move each one.

261 markers

Health record

Your bio-data in one place — labs, vitals, meds & 100+ metrics from Apple Health, wearables and more, tracked over time.

Account

Prices

Best-value brand picks by cost-per-dose across trusted manufacturers.

106 priced

Guides

Long-form protocols — sleep, testosterone, weight loss, cholesterol, thyroid & more.

9 guides

Calculator

Peptide dose → units to draw on a syringe, plus a weekly schedule.

Dose tool

My stacks

Your saved stacks of peptides and supplements, with your own doses.

Account

Schedule

Your doses on a calendar — what to take each day, when to cycle off, tap to log.

Account