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3 Tips To BUILDING LEAN MASS
註釋

Frank Rich is an online fitness entrepreneur, fitness author, certified trainer & nutrition coach, and bodybuilder. He has close to 2 decades of training experience himself, and has helped thousands of men around the world build muscle, lose fat, and transform their lives. Frank has dedicated himself to helping 100,000 men build what he defines as a MASSTHETIC PHYSIQUE. 

In this book, you'll learn about Frank's I3 Training System and he'll reveal to you the 3 MOST IMPORTANT tips to building a physique of rock-hard, lean muscle mass.