JJ Virgin4x NYTimes Best Selling Author, Certified Nutrition Specialist, Fitness Hall of Famer

Muscle Keeps Everything Tight

20 Sept 2025 · 0 min

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0:21

JJ Virgin explains why muscle matters: it acts as metabolic Spanx, holding your body tighter and raising your metabolism because muscle requires more energy to maintain than fat. Building muscle improves how you look and boosts how your body burns energy.

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