To build muscle, focus on two main factors ... or you can use an online calorie calculator. This one from Mayo Clinic uses the Mifflin-St. Jeor equation, which pros consider the gold standard.

In the world of fitness and nutrition, there's been a lot of talk about whether you can build muscle in a calorie deficit, ...

If you want to gain muscle mass, consider consuming more calories than you burn, known as a calorie surplus. This may involve a daily calorie surplus of 300 to 500 calories. The calculator below ...

Studies show that glycogen also plays a role in muscle repair and growth. “When combined with protein, carbohydrates can ...

Without protein, you will just gain fat and little muscle", he continues ... work out roughly how many calories you need to eat to maintain your weight using our calculator below and adjust ...