Compare You have no comparison lists. Add products to the comparison. Heavy Duty's Best sellers Sale! The All In One Heavy Duty Bundle 196.99$ Original price was: 196.99$.44.99$Current price is: 44.99$. Add to cart Sale! The Heavy Duty Starter Bundle 99.99$ Original price was: 99.99$.34.99$Current price is: 34.99$. Add to cart Sale! Mike Mentzer Heavy Duty Program 32.99$ Original price was: 32.99$.20.99$Current price is: 20.99$. Add to cart Sale! Mike Mentzer – Way Beyond Failure 20.99$ Original price was: 20.99$.14.99$Current price is: 14.99$. Add to cart Sale! Heavy Duty’s Nutrition Program 20.99$ Original price was: 20.99$.14.99$Current price is: 14.99$. Add to cart Sale! Women’s Heavy Duty Program 20.99$ Original price was: 20.99$.14.99$Current price is: 14.99$. Add to cart Sale! Heavy Duty’s Superhuman Protocol 20.99$ Original price was: 20.99$.14.99$Current price is: 14.99$. Add to cart Sale! Heavy Duty’s Supplement Guide 20.99$ Original price was: 20.99$.14.99$Current price is: 14.99$. Add to cart Sale! Heavy Duty’s Nutrition Cookbook 20.99$ Original price was: 20.99$.14.99$Current price is: 14.99$. Add to cart Sale! Heavy Duty’s Gym Myths 10.99$ Original price was: 10.99$.5.99$Current price is: 5.99$. Add to cart See all Products