Personal trainer Edinburgh and online strength and conditioning coach, based at Hanuman Muay Thai.
Lean Bodies is an Edinburgh-based personal training and strength and conditioning coaching brand. Led by Callan Headrick — a registered nutritionist and S&C coach with 14 years of experience — Lean Bodies offers bespoke 1-to-1 coaching in Edinburgh at Hanuman Muay Thai, and online coaching worldwide. Specialising in body composition, fat loss, muscle gain, and athletic performance for beginners through to competitive athletes.
Two ways to train. One standard of coaching.
Edinburgh — Hanuman Muay Thai
Bespoke 1-to-1 sessions in a private performance facility. Built around your goals, adjusted every week.
Worldwide — Fully Remote
Full programming, nutrition, weekly check-ins and form review — everything you need, wherever you are.
Every review is a verified 5-star Google review.
"I used Callan to make weight for a BJJ competition. He is so knowledgeable and was even able to adjust for unexpected illnesses. He was able to not only explain what I should do but why. 10/10 could not recommend enough."
"Three months on I'm noticeably stronger, my jeans fit better through the waist and my glutes have shape I've never had. Energy, sleep and confidence are all up. Lifting doesn't make you bulky — it makes you look athletic and feel like yourself again."
"Having worked with several coaches over the years, I can say with confidence that Callan is the best I've worked with to date. He's helped me achieve physical results I didn't think possible."
"I'm based in London and training with Callan online has been the best decision I've made. The programming is detailed, the weekly check-ins keep me accountable, and the nutrition advice actually fits my travel schedule. I've dropped 8kg and hit a 100kg squat for the first time."
"Training at Hanuman Muay Thai is a different atmosphere completely. Callan's attention to detail is unreal, and having the facility to myself means I actually get through the work. Down two dress sizes and finally consistent."
"I'd been spinning my wheels with different programmes for years. Callan built something around my shift work, my injuries, and what I actually enjoy doing. Three months in I'm stronger, leaner, and I don't dread training anymore."