Quick Links
Bio
I’m Jason Crow, Founder/Managing Director of Better Body Group, with 30,000+ coaching hours across the UK and US. I started in corporate wellness managing health for New York executives, then progressed into coaching national-level athletes/teams and developing clinical exercise procedures for complex cases. My work today is a testing-led, dashboard-managed physical rebuilds for high performers over 45, rejuvenating strength, function, fitness, and health markers with a structured 12-month plan.
Executive rejuvenation (45+)
Using cutting edge science and 35 years of experience to “give back decades” of capability, rebuilding muscle, cardiovascular fitness, anaerobic capacity, movement quality, and energy systems, while improving longevity and resilience.
Complex cases & special populations
Confident, calm programming for clients managing injuries, deconditioning, medication, chronic conditions, or high stress, built around screening, progressive exposure, and measurable outcomes.
35+ active years as trainer
- Founder, Better Body Group (Sevenoaks, Blackheath)
- Corporate wellness, New York executives
- Coached national athletes and teams
- Designed clinical exercise protocols, healthcare providers
- Strength coach, Kent County Cricket
- Exercise specialist, BMI Hospitals
- Strength & Conditioning Lecturer, University of Kent.
- BSc (Hons) Exercise & Sports Science
- NSCA Certified Strength & Conditioning Specialist
- ACSM Health & Fitness Instructor
- NSCA Certified Personal Trainer.
High-performing 45+ professional seeking a measured rejuvenation plan.
Media
Posts
BBG’s Top 10 Best Easter Eggs for You This Easter
The health benefit of your Easter Egg does not come from chocolate as a whole, it comes from natural plant [...]
How to help Children and Young Athletes lose weight and become healthier?
How to help Children and Young Athletes lose weight and become healthier? Currently in the UK, we are battling a [...]
Socials
Testimonials
“Jason hasn’t just trained me—he’s rewound the clock. At 54 I felt stiff, tired and heavier; after his data-driven blueprint and precise coaching, I’m 9cm down on my waist, resting HR is 12 bpm lower, VO₂ max up 7 ml/kg/min, blood pressure normal, and my back and knees are pain-free. I sleep better, think clearer, and have the energy to lift, run and keep up with my kids again. Jason’s mix of science, accountability and care has genuinely reversed the signs of aging for me and given me more life in every day—I only wish I’d started sooner.”
Tony
“I’m Michelle, 71, and I came to Jason with dangerously high blood pressure—my systolic often over 200 despite medication. Working alongside my GP, Jason built a gentle-but-progressive plan of strength work, zone-2 cardio, mobility, and simple nutrition habits. Within months my readings stabilised around 120/70, my GP discontinued my blood-pressure tablets, and I’m walking hills, sleeping soundly, and moving with confidence again. Jason’s calm expertise has genuinely given me back my health—and the freedom to enjoy life.”
Michelle
“I’m Andy, 57, and after years stuck in ‘carb-burn’ mode, Jason’s testing-led plan flipped the switch—body fat down from 28% to 18%, waist −12 cm, steady energy all day. His mix of strength blocks, Zone-2 work and protein-first nutrition rebuilt my engine; my retest showed a lower RER at the same workloads and a higher FatMax, meaning I now burn more fat at everyday intensities. I feel lighter, stronger and in control for the first time in decades.”
Andy
“I’m Simon, and I don’t say this lightly: Jason saved my life. After a cardiac scare I was afraid to move; he liaised with my GP and cardiologist, did proper screening, and built a progressive, heart-safe programme that met me where I was. Now my readings are stable, my resting heart rate has dropped, and I can exercise with confidence instead of fear. Jason gave me back my health—and the peace of mind to enjoy it.”
Simon
“I’m Helen, and Jason helped me rebuild my body from the ground up—smart strength cycles, Zone-2 cardio and protein-forward nutrition—so I added lean muscle, dropped two dress sizes, now deadlift more than my bodyweight and hit unassisted pull-ups; my posture’s taller, waist tighter, and energy and confidence feel like superpowers—I’m stronger, fitter and in better shape than I was in my 20s, and it feels sustainable.”
Helen
