Mike Matthews is a certified personal trainer and bestselling author of Bigger Leaner Stronger, Thinner Leaner Stronger, and Muscle for Life, as well as the founder of the #1 brand of all-natural sports supplements, Legion.

His simple and science-based approach to building muscle, losing fat, and getting healthy has helped tens of thousands of people build their best body ever, and his work has been featured in many popular outlets including Esquire, Men’s Health, Elle, Women’s Health, Muscle & Strength, and more, as well as on FOX and ABC.

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