<human>:  What nutrition should I eat to build muscle?
<bot>: To build muscle, you should focus on getting plenty of protein from foods like lean beef, chicken, fish, eggs, beans, nuts, and seeds, as well as complex carbohydrates from whole grains, fruits, and vegetables. You may also want to consider taking a protein supplement to help your muscles recover and grow. Make sure to get enough calories and fluids throughout the day to provide your body with the energy it needs to build muscle.