Dr. Nickhil Jakatdar, founder of PreventiveHealth.ai
Why this exists

This company was born out of my own health journey.

In August 2015, at the age of 43, I was diagnosed with cardiovascular disease. The years that followed were a deliberate rebuild of my health and learning to advocate for myself: blood markers, body composition scans, wearables, genomics, and the willingness to act on what the evidence actually said. My visceral fat reduced from 10 to 2, I gained 12% of muscle mass, increased my bone density, and turned a fragile cardiovascular profile into a resilient one. My cardiovascular age is now at −15 years, my biological age is 12 years lower than my chronological age, and more importantly, I get to continue enjoying competitive soccer at 54, with the hope of continuing it for as long as possible. PreventiveHealth.ai exists to give every person, and every clinician, the tools and the partnership to do this earlier, with less guesswork, and with more confidence.

— Nickhil Jakatdar, Ph.D.Preventive Health Evangelist and Founder
−15 yrsCardiovascular age
12 yrsYounger biologically
10 → 2Visceral fat
+12%Muscle mass
Awareness Building

Free Resources For You.

A blog, a global community, a tracker on your phone and one on WhatsApp, an expert Q&A, plus short- and long-form video, built to help you separate signal from hype, on your own time.

Fortnightly Blog Post
Substack feed — Practical Actionable Learnings

Nickhil Jakatdar, Ph.D. Substack

First-person essays at the intersection of preventive cardiology, genomics, and longevity. Real labs, real interventions, and the science behind both, translating clinical evidence into the decisions you can make this week.

Read on Substack →
Community
The Longevity Circle — weekly expert sessions and health sub-communities

The Longevity Circle

A WhatsApp community dedicated to improving healthspan. Weekly themes (vitamin D, strength training, sleep, protein), plus sub-communities for menopause, heart health, diabetes, eldercare, and more. Live podcasts with globally renowned cardiologists, physiotherapists, oncologists, obgyns, Tour de France riders, triathletes, health insurance experts, etc. from Stanford, UCSF, Harvard, AIIMS, etc. Join any of the communities below.

Health Tracker on WhatsApp
Kai — WhatsApp Health Tracker

Kai

Your preventive health assistant on WhatsApp. No new app, no new login. Get instant, credible answers to health questions and understand your medical reports in simple terms.

  • Get answers on nutrition, supplements, sleep, training, and symptoms
  • Send a meal photo and get an instant meal score
  • Get personalized insights based on your health history and previous queries
  • Upload blood tests, MRI scans, and other medical reports for easy-to-understand explanations
  • Connect wearable data with a single prompt
  • Access members-only live expert AMAs
Start on WhatsApp →
Expert Q&A
Ask My Experts — real experts answer your health questions

Ask My Experts

Tell us about yourself once, then ask anything. Get an AI answer in seconds, personalized to your health history, and send it to a real expert with one tap.

  • Answers tailored to your lifestyle, health conditions, and medicines
  • Expert replies within about 24 hours
  • One panel: physicians, lipidologists, gynaecologists, dietitians, physiotherapists, and performance coaches

Or browse expert-reviewed answers in the Discovery section.

Ask a question →
Health Tip Reels
Instagram reels grid — @nickhiljakatdarphd

The Longevity Circle on Instagram

Charts, carousels, and short reads on metabolic health, genomics, and what the data actually says. Built for the scroll, without the noise.

Podcast Videos
The Longevity Circle on YouTube — podcast grid

The Longevity Circle on Youtube

Long-form, unfiltered, evidence-led conversations with clinicians, scientists, and practitioners working at the front edge of preventive medicine.

Watch on Youtube →
Test, Analyze, Act

Paid Services For You.

When you're ready to turn awareness into action, start by testing the right markers, then act on the findings with a clinician we've vetted.

Team & Partners

Practitioners, not personas.

We're a group of clinicians, scientists, and operators, built on top of one of the world's most respected clinical genomics labs.

Dr. Nickhil Jakatdar

Dr. Nickhil Jakatdar

Preventive Health Evangelist and Founder

M.S., Ph.D., EECS — Berkeley. Writes Practical Actionable Learnings.

Dr. Nikhil Phadke

Dr. Nikhil Phadke

CSO · Clinical Genomics

Ph.D. — Cell & Molecular Biology, UMich Ann Arbor. Founder of GenePath Diagnostics. Two decades of clinical genomics, molecular diagnostics, and laboratory medicine across India and beyond.

Dr. Rashida Melinkeri

Dr. Rashida Melinkeri

Physician & Lipidologist

DNB — Internal Medicine, UK. Lipid Clinic, Sahyadri & KEM. Anchors our application of the AHA/ACC/LAI ASCVD framework in real clinical practice.

Dr. Kavita Khatod

Dr. Kavita Khatod

Director · Lab Operations

MBBS · MS, SUNY Buffalo. Director of Lab Operations at GenePath Diagnostics. Reviews integrated reports for clinical accuracy and next-step actions that change outcomes.

Dr. Swapna Gadgil

Dr. Swapna Gadgil

Functional Medicine Lead

UK MD, FRCA, Dip ILBM. NHS Scotland. Brings a functional, lifestyle-medicine lens to integrated patient care and program design.

Dr. Sneha Raje

Dr. Sneha Raje

Clinical Dietitian

Sports and Children Nutrition Specialist with over 15 years of experience. Focused on metabolic health, cardiovascular nutrition, and personalized food planning.

Areef Reza

Areef Reza

CTO · Consumer & Customer Experience

MS CS — Waterloo. Founder, Jigsee. Engineering at Vuclip and GenePath. Drives the consumer and customer-facing products end-to-end.

Abhinav Kejriwal

Abhinav Kejriwal

CEO

BA CS — Berkeley. MBA '26 — Stanford. Former Chief of Staff, Times of India. Owns provider partnerships and customer outcomes end-to-end.

Powered by
GenePath
Diagnostics Our clinical & genomics partner

The clinical genomics engine behind every report.

PreventiveHealth.ai is powered by GenePath Diagnostics, a NABL-accredited, ISO-certified clinical lab with deep experience in molecular diagnostics, NGS, and clinical genomics. It's the reason our reports aren't just consumer-friendly. They're clinically defensible. Every blood marker, every variant, every interpretation, held to the same standard a hospital genetics service would expect.

20+Years in clinical genomics
NABLAccredited laboratory
7M+Consumers tested