Amino acid supplements can be purchased from many different stores and suppliers. Some examples that supply amino acid supplements include Vitacost and Drugstore.

Protein shakes are not the same as amino acid supplements. Amino acids will become proteins. Amino acid supplements and protein shakes are popular options.

Yes. It is safe to take amino acid supplements during pregnancy. But they are not indicated and are expensive.

One can buy amino acid supplements from the websites Vitamin Shoppe, A1 Supplements, Puritan, General Nutrition Center, Muscle Tech, and Nutra Planet.

Amino acid supplements are available either over the counter as a prescription, or even in some special cases and stores, straight from the checkout aisle.