Dive into Mike Mentzer’s Heavy Duty Program in our bio 🔗 Mike Mentzer: Heavy Duty Is For Naturals . . . . [Mike Mentzer’s Heavy Duty, high-intensity training (HIT), maximal muscle growth, intense training regimen, training to failure, one set to failure, progressive overload in training, efficient workouts, efficient muscle building, optimal workout routines, efficient strength training, Mike Mentzer workout, Mike Mentzer’s intensity principles, advanced training techniques, heavy duty bodybuil

Holiday Special! Get Mike Mentzer’s Heavy Duty Program in our bio 🔗 Mike Mentzer being bullied by Rico and Flex Wheeler. #flexwheeler #mikementzer #gymrat #bodybuilding | Heavy Duty Protocol

Black Friday SALE! Get Mike Mentzer’s Heavy Duty Program in our bio 🔗 Mike Mentzer shows his tricep superset exercises. Try these out! #triceps #bodybuilding #musclebuilding #mikementzer #highintensity | Heavy Duty Protocol