Supplements
Normally, you can get from food all the nutrients, vitamins and minerals that you need. But if you’re trying to put on significant size and you’re exercising at a level that is constantly stripping your body of fuel, you’ll need help from supplements.
For calories and upping your protein intake, a protein powder is important. If you don’t want the typical gut distress that comes from eating protein powders, don’t just settle for any version of protein powder. Try to choose one without added soy and corn, with no artificial sweeteners, and with added digestive aids such as digestive enzymes and probiotics.
Other supplements that can effectively help a skinny guy gain muscle are: