Innovative Prevention, Personalized for Longevity.
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The PreVelity Library

Physician-written guides to prevention.

Plain-language, evidence-first guides by Patrick Mullen, MD and Savanah Mullen, PA-C. Read the first two sections of any guide free.

Advanced Testing, With Intention — cover
Vol. 01 · Advanced Testing

Advanced Testing, With Intention

What your annual physical isn’t catching — and when to go deeper on your heart and on cancer.

Lipids for Longevity — cover
Vol. 02 · Lipids & Your Arteries

Lipids for Longevity

What your cholesterol numbers mean, what they miss, and what actually lowers your risk.

Insulin Resistance, Caught Early — cover
Vol. 03 · Metabolic Health

Insulin Resistance, Caught Early

The metabolic problem that builds for a decade before blood sugar notices.

Hormones, in Balance — cover
Vol. 04 · Hormones

Hormones, in Balance

Menopause, testosterone, and thyroid — and what the evidence now says about hormone therapy.

Eat for the Long Run — cover
Vol. 05 · Nutrition

Eat for the Long Run

The principles that survive the diet wars, macros and fueling, and a field guide to 15 diets.

Train for the Decades Ahead — cover
Vol. 06 · Exercise

Train for the Decades Ahead

Aerobic, strength, power, and balance — built around what you love to do.

Sleep, the Overlooked Pillar — cover
Vol. 07 · Sleep

Sleep, the Overlooked Pillar

Sleep hygiene, tracking, and medications matched to your sleep problem.

Stress, Recovery & the Long Game — cover
Vol. 08 · Stress

Stress, Recovery & the Long Game

Tools that work in minutes and over years — with sauna, cold, and wearables graded honestly.

Non-Toxic Living, Without the Panic — cover
Vol. 09 · Non-Toxic Living

Non-Toxic Living, Without the Panic

The everyday swaps worth making — and the many you can stop worrying about.

Making It Stick — cover
Vol. 10 · Behavior Change

Making It Stick

How to turn what you’ve learned into habits that last — and keep improving.

Bring It to Your Doctor — cover
Companion Guide

Bring It to Your Doctor

How to prepare, ask, disagree, and bring a prevention plan to your own doctor.

Every guide ends in the same place: knowing your numbers.

All-inclusive. Independent. Alongside your doctor.

Start with your Pre-Score — $2,500