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Expert-Backed Health Tools

Data from 3,700+ videos across Huberman, Attia, Patrick, Johnson, and Hyman — turned into tools you can actually use.

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Ask Precis wherever you already are

The same cited, expert-backed answers, now in your messages. Send a question, a voice note, or a photo of your bloodwork.

Health % Assessment

Normal isn't optimal. 13 questions, 3 minutes: how many of the 18 bars physicians and research scientists set on the record you clear today, and the one holding you back most.

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Find the Clip

Ask a health question and we line up the moments where the experts answer it, straight to the second, so you hear where they agree and where they split.

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Panel Check

Paste a health claim you heard. See which of 5 longevity experts back it, which push back, and which never addressed it — each with a timestamp to the episode.

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Consensus Score Lookup

Look up any supplement — see what 5 longevity experts actually agree on. 50+ supplements scored.

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Score My Stack

Paste your supplements or snap a photo. Every bottle you own gets a 0–5 consensus number and the video minute behind it. 30 seconds, no account.

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What Should I Take?

1-minute quiz. Get a personalized supplement list ranked by how many experts agree — not influencer hype.

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Dosage Lookup

How much should you actually take? See the exact dosage each expert recommends — they don't always agree.

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Which Form?

Glycinate or threonate? Fish oil or krill? See which form each expert takes and why they disagree.

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Expert Comparator

Huberman vs Attia? See where any two experts agree and disagree — backed by consensus data.

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Daily Dosage Guide

Evidence-based mineral and vitamin dosages — maintenance, therapeutic, and upper limits. Backed by 5 experts, not generic RDAs.

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Am I Overpaying?

Enter your supplement stack and monthly spend. See which supplements have consensus support, which don't, and how much the consensus stack actually costs.

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Supplement Tier List

S to F tier ranking of 40+ supplements based on how many of 5 experts actually endorse each — not influencer hype.

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Consensus Matrix

Side-by-side stance grid for 35 supplements × 5 experts (Huberman, Attia, Patrick, Johnson, Hyman). Click any row for the citations.

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Years You Can Add Back

8 questions, 60 seconds. Get a healthspan score + the 3 habits costing you the most years — each tied to a named-expert citation. Free.

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VO2 Max by Age & Sex

Enter your age, sex, and VO2 max (or a 12-minute test distance). See your percentile vs population norms — and what it means for how long you live.

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Zone 2 Heart Rate by Age

Your Zone 2 range at your age — under both zone models, because they disagree by about 10 beats. Plus the talk test, for when you do not trust either.

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Body Fat Percentage Chart

The ACE category chart for men and women, and the honest part most charts skip: what the number does and does not tell you as you age.

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HRV by Age

Published HRV norms by age band, and the part the norms leave out: the rules the panel uses to read a number — your own 30-day baseline, and what size of drop means stop.

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Waist-to-Height Ratio

Divide your waist by your height. The published categories, and the cutoffs the panel actually names on tape for men and women.

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Peptide Reality Check

BPC-157, retatrutide, GHK-Cu, TB-500 — which peptides are FDA-approved, which are animal-data-only, and which are gray-market gambles. The honest evidence grade for each, what the experts actually said.

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GLP-1 Protein Target

On a GLP-1? Get your daily protein target to protect muscle, grounded in the expert protocol (Attia, Lyon, Patrick) — plus a per-meal split and the muscle-preservation checklist.

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Stop the research rabbit hole. Get full dosage protocols, expert citations, and Precis Chat across the whole corpus.

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