No matter your genetics or the goals you’ve set for yourself, you need to follow the rules of bodybuilding nutrition if your hard training is going to pay off. Granted, nutrition can be a complicated subject. Carbs, proteins, vitamins, minerals, fats, not to mention meal timing, creatine, and shelves and shelves of other exotic supplements—it can all make your head spin.

Stop spinning. We’ve compiled 20 rules of nutrition to help guide you through the minefield of all things related to food and supplements. This comprehensive compendium of commandments gives you easy-to-follow principles that have passed the M&F test for accuracy and efficiency. As you set your sights on bulking up, you can be sure that you’ll find the answers here.

A picture of ingredients suited for the keto diet.

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