Zaro Health × Dr. Rena Malik
Know your numbers.
Get The Hard Truth, free.
Every Zaro blood panel now comes with a free copy of Dr. Rena Malik’s new book. Test the hormones, heart and metabolic markers she writes about, then read exactly what to do with them.
Free with every panelShips November 3Paid partnership with Dr. Rena Malik, MD.
How the offer works
One panel. One book. Your whole picture.
01
Choose your panel
Surface, Signal or Source. Every panel includes a free copy of the book.
02
Get your blood drawn
Book a draw at a Quest location near you. Results arrive with your Zaro Score in about 5 to 7 business days.
03
Your book ships
The Hard Truth is released on November 3, 2026. Your copy ships once it is out.
Choose your panel
Every panel comes with the book.
Pick the depth you want. Signal is where the hormones Dr. Malik writes about come in.
Has something already gone wrong?
Surface
$149$199one-time
Save $50 · Intro pricing — standard price from Nov 14, 2026
- Comprehensive metabolic panel and full CBC with differential
- ApoB — the cardiovascular risk marker most annual physicals skip
- Complete urinalysis with microscopy and reflex to culture
Free copy of The Hard Truth
Choose Surface
Dr. Malik's pickIs something developing?
Signal
$249$299one-time
Save $50 · Intro pricing — standard price from Nov 14, 2026
- Everything in Surface, plus 32 markers
- NMR lipoprotein fractionation — particle number and size, not just cholesterol mass
- Sex-specific hormone panel plus morning cortisol
Free copy of The Hard Truth
Choose SignalWhat root causes?
Source
$399$449one-time
Save $50 · Intro pricing — standard price from Nov 14, 2026
- Everything in Signal, plus 15 markers
- TPO and thyroglobulin antibodies — detects autoimmune thyroid disease
- Fibrinogen — cardiovascular risk independent of LDL
Free copy of The Hard Truth
Choose SourceFSA/HSA eligible. No doctor required. Blood draws at Quest Diagnostics.
THE HARD TRUTH · RENA MALIK, MD
Scroll to open the book
The book
The Hard Truth
Everything Men Need to Know for Good Health, Great Sex, and Long Life
A science-backed system for better erections, optimized testosterone and long-term health, built on one idea: your sexual health is a vital sign. It covers why erectile dysfunction can be an early warning of heart disease, what drives testosterone down, and how to protect your prostate and hormones for decades.
- 01Fuel
Nutrition that supports blood flow, hormones and energy. Eat your way to better sex.
- 02Strength
Fitness and the pelvic floor: the muscles behind performance that most men never train.
- 03Environment
Sleep, stress, mental health and daily habits, the inputs that quietly set your hormones.
- 04Confidence
Intimacy and relationships. The part of sexual health that no supplement can fix.
Hay House · Out November 3, 2026 · Free with every Zaro panel
“The Hard Truth may be for men, but I couldn’t stop reading it.”
“This book will save lives and marriages.”
Your sexual health is one vital sign. Know them all.
What Zaro measures
The hard truth is in your numbers.
Sexual health is one signal among many. Zaro measures the hormones behind it, plus the heart, metabolic and blood markers that complete the picture.
1
Testosterone + SHBG
Total, free and bioavailable. Drive & performance.
Signal · men
2
Estradiol, LH, FSH
The hormones of cycles and menopause. Hormone balance.
Signal · women
3
ApoB
The particles that build plaque. Blood flow & heart.
Every panel
4
HbA1c
Three-month blood sugar average. Metabolic health.
Every panel
5
Complete blood count
Including hematocrit. Blood & oxygen.
Every panel
Urologist & Pelvic Surgeon · Southern California
Meet Dr. Malik
Evidence-based answers, no taboos.
Dr. Rena Malik is a board-certified urologist and pelvic surgeon specializing in sexual medicine, hormones and menopause care. Through her YouTube channel and podcast she has become one of the most trusted voices in sexual health, answering the questions people are too embarrassed to ask with evidence instead of myth.
- Board certified
- Urology, American Board of Urology
- MD
- NYU School of Medicine
- Residency
- Urology, University of Chicago
- Fellowship
- Female Pelvic Medicine & Reconstructive Surgery, UT Southwestern
- Certified
- Menopause Society Certified Practitioner (MSCP)
2.9M+
YouTube subscribers
600M+
Video views
1,700+
Videos published
As heard on
Huberman LabThe Diary of a CEOThe Mel Robbins PodcastThe Shawn Ryan ShowDoctor Mike
Watch
Start with her blood-test videos.
Want stronger erections for years to come? Your blood may hold the answer
11 signs of low testosterone most men overlook
Is your testosterone optimized for your age?
Why testosterone may matter for women far more than you’ve been told
Follow Dr. Malik
Keep learning between panels.
About the offer
Questions, answered
Know your numbers. Read the hard truth.
Choose a panel, get your blood drawn, and your copy of Dr. Malik’s book is on us.
This page is a paid partnership between Zaro Health and Dr. Rena Malik, MD.