If you’re over 50 and still doing cardio to stay healthy, you’re wasting your time and may actually be making things worse. This episode breaks down the exact movements, supplements, and anti-aging strategies that build real strength, protect your bones, and extend your longevity without spending hours in the gym.
Host Dave Asprey sits down with Will Harlow, a master’s-level physiotherapist and founder of HT Physio, whose YouTube channel has amassed over 1.5 million subscribers by teaching people over 50 how to stay mobile, active, and independent without painkillers or surgery. Will graduated with a first-class degree from Brunel University, trained in both the NHS and professional sport, and has spent his career proving that what most doctors call "just aging" is actually optional.
Together, Dave and Will dismantle the myths keeping older adults weak, injured, and overtrained. They get into why resistance training beats cardio for human performance and metabolism at every age, how anabolic resistance changes your protein needs after 50, which three compound movements deliver the biggest functional gains, and why your grip strength may be the most underrated biomarker you’re ignoring. Dave also shares how he used biohacking, targeted supplements, and functional medicine principles to grow bones so dense his surgeon couldn’t cut through them. They also dig into vestibular training, hydration, magnesium, Vitamin DAKE, and how tools like AI are now helping people identify movement problems before they become joint replacements.
You’ll Learn:
-Why chronic cardio decreases bone density and muscle mass in people over 50
-The 3-2-1 resistance training method that delivers 80% of results in 40 minutes a week
-How anabolic resistance changes protein requirements as you age and what to do about it
-The three compound movements every person over 50 should master first
-Why grip strength predicts overall health and how to train it
-How vestibular disorders silently destroy balance and confidence, and how to reverse them
-The supplement stack (Vitamin DAKE, magnesium glycinate, digestive enzymes) that supports bone, muscle, and metabolism
-Why 7,000 steps beats 10,000, and where that number actually came from
-How Dave used biohacking and functional medicine to grow bones that broke a surgeon’s saw
-Why AI tools can now spot gait problems that lead to hip replacements years later
Resources:
• Preorder Will’s Upcoming Book Independence for Life (5/26) at: https://www.penguinrandomhouse.com/books/804636/independence-for-life-by-will-harlow/
• Learn More About Will’s Work: https://willharlow.com/
• Get My 2026 Clean Nicotine Roadmap | Enroll for free at https://daveasprey.com/2026-clean-nicotine-roadmap/
• Dave Asprey’s Latest News | Go to https://daveasprey.com/ to join Inside Track today.
Thank you to our sponsors!
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– Amp | If you’re ready to make fitness fit into your life, go to amp.ai to check it out
Timestamps:
00:00 – Trailer
00:36 – Intro
02:59 – Why Resistance Training Matters
06:15 – Getting Started with Resistance Training
07:12 – Top 3 Movements Over 50
10:30 – Hip Mobility & Inflammation
12:19 – Hydration, Joints & Electrolytes
14:11 – Balance, Falls & Exercise Snacks
15:21 – Biological Age & Longevity
20:08 – Overtraining & the 3-2-1 Method
29:42 – Protein & Anabolic Resistance
33:57 – Energy, Fat & Cortisol
37:49 – Vestibular Health & Balance
50:07 – Gait & Movement Rehab
56:56 – Steps, VO2 Max & Wearables
57:25 – Book Promo
01:02:14 – 7,000 Steps
01:04:22 – Wrap-Up
Connect with Dave Asprey!
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Dave Asprey’s New Book – Heavily Meditated: https://daveasprey.com/heavily-meditated/
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