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About
Cain Leathem, owner of GB Fitness and Uvita, is a leading Exercise and Nutrition Consultant with extensive study in various aspects of the human body - including exercise, nutrition, biomechanics, endocrinology, phlebotomy and blood work interpretation, DNA assessment, functional medicine and Neuro Linguistic Programming.
Cain is dedicated to furthering his own education and sharing his knowledge, ensuring that his clients and students receive the most informed and effective guidance on their health and wellness journeys. He has taught and lectured around the world on the topics of physical and mental health, and his own qualification courses have won national awards.
He has been in the health and fitness industry for over 30 years and his athletic clients number 89 British and 15 World Champions … including 4 World Record Holders.
One area he specialises in is optimising gut health, naturally, and as such he uses clinical blood work, stool assessments and functional testing to assess his clients to then offer genuinely bespoke advice and protocols.
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Frequently Asked Questions
We are an exercise and nutritional consultancy designed to help improve health, vitality, physique, performance, emotional happiness and more. We support clients from rehabilitation through to elite athletes and offer bespoke corporate programs alongside services for medical issues.
Yes, we are a training provider offering qualification courses in personal training, nutrition, first aid for mental health and more. Courses include International Personal Trainer Course, Advanced Personal Trainer Course, Diploma in Advanced Nutrition for Optimum Health, Sport Nutrition Protocols for Optimal Health & Ultimate Performance, and First Aid for Mental Health.
You can also access clinical testing, on-line coaching and support, and professional speaking. We also provide nutrition advice and personal training nutrition advice.

