Your body needs more glutamine during times of stress or illness. Beef, poultry, legumes, and milk are all good sources of ...

Some plant-based proteins are high in certain essential amino acids, such as soybeans, tofu, seeds, nuts, beans and lentils. By upping your intake of these amino acid-rich foods, you can get ...

Medically reviewed by Kayla Girgen, RD Creatine is a compound your body naturally makes from the amino acids arginine, ...