The Body Science Experts to Know in 2025

Not all health influencers are created equal. These folks stand out to us as folks to follow who embrace the responsibility and ethos of “biohacking”: science-based, self-experimentation, bodily autonomy, research, documentation, and open source knowledge sharing, robust ethics yet innovative and testing mindset.

Who this list is for and why now

Between gurus, influencers, and science-backed experts, it’s hard to know who’s legit.

We’ve curated 50 of the most credible, data-obsessed, and self-experimenting voices in the space. Ideal for anyone who wants more depth than TikTok tips but less dogma than anti-aging cults.

Dr Andrew Huberman with rustic, rugged, beard

Andrew Huberman

Neuroscientist, Stanford University

🔗 hubermanlab.com

What he says:

Use light exposure, cold, heat, fasting, and focused breathing to shift your nervous system and optimize performance.

Quick tips:

  • Get 10,000 lux of natural light within 30 minutes of waking.
  • Use the physiological sigh: two quick nasal inhales, one long exhale.
  • Keep a consistent wake-sleep schedule to regulate cortisol and energy.

Bryan Johnson picture

Bryan Johnson

Founder of Blueprint, Tech Entrepreneur Turned Longevity Prototype

🔗 protocol.bryanjohnson.com

What he says:

Use extreme routine, biometric tracking, and nutrient precision to reverse aging.

Quick tips:

  • Final meal before noon to align with circadian rhythms.
  • Sleep like a pro: same time nightly, dark/cool room, no exceptions.
  • Track everything, from liver enzymes to facial aging algorithms.

Dr. Grant Lipman with glasses

Dr. Grant Lipman

Founder of GOES Health, Emergency Physician & Wilderness Medicine Expert

🔗 goes.health

What he says:

Your body performs best when it’s resilient, and the outdoors is the best lab.

Quick tips:

  • Use environmental stressors like cold, heat, and altitude to build adaptive strength.
  • Prioritize sleep and hydration in high-performance or outdoor conditions.
  • Test your limits, but recover smarter with HRV and biomarker feedback.

Dr. Molly Maloof

Dr. Molly Maloof

Physician, Author of “The Spark Factor”

🔗 drmolly.co

What she says:

Optimize your healthspan by mastering glucose, connection, sex hormones, and mitochondrial function.

Quick tips:

  • Use continuous glucose monitoring (CGM) to reduce metabolic spikes.
  • Incorporate oxytocin-enhancing practices (social bonding, touch) to fight burnout.
  • Support mitochondrial health with light exposure, breathwork, and B vitamins.

Kasper Van Der Meulen

Kasper Van Der Meulen

Breathwork Specialist, Educator & Author of “MindLift”

🔗 kasper.me

What he says:

The fastest way to change your state is to master your breath.

Quick tips:

  • Practice CO₂ tolerance training to build stress resilience.
  • Use box breathing (4-4-4-4) before bed to enhance sleep onset.
  • Cold exposure is a tool, not a badge: pair it with calm breathing, not hype.

Dr. Mike Varshavski

Dr. Mike Varshavski

Family Medicine Doctor, Science Communicator & YouTube Creator

🔗 doctormikemd.com

What he says:

Health isn’t about trends, it’s about science-backed habits that actually stick. Dr. Mike brings evidence-based clarity to fitness, nutrition, and mental health in a way that’s both Smart and relatable.

Quick tips:

  • Sleep is non-negotiable: aim for 7–8 hours with proper sleep hygiene.
  • Focus on progressive overload and recovery in fitness, not shortcuts.
  • Don’t fall for pseudoscience; always check the source and follow the data.

Adrienne Kmetz

Adrienne Kmetz is a journalist, marketer, and editorial strategist with two decades of experience building brands and products that help people live better lives. She has managed growth and content teams which specialize in translating complex topics and data into real talk. Based in Colorado, she brings that deep experience and ski goggle tan to every article she writes.

Editorial Guidelines: Our research team aims to write balanced, trustworthy, science-backed guides. We fact-check every article at the time of publishing. Always consult your healthcare provider to address your specific medical questions.

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