Protein is an essential macronutrient. It powers the chemical reactions in your body, helps carry oxygen in the blood, and helps prevent fatigue or weakness. Experts recommend varying your sources of protein and incorporating plant-based foods.
References
American Heart Association. (2021). Picking healthy protein.
MedlinePlus. (2015). Dietary proteins.
MyPlate.gov. (n.d.). Vary your protein routine. U.S. Department of Agriculture.
U.S. Department of Agriculture. (2018). Abridged list ordered by nutrient content in household measure: Protein. USDA National Nutrient Database for Standard Reference Legacy, 2018.
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Written by:
Lauren Smith, MALauren Smith, MA, has worked in health journalism since 2017. Before joining GoodRx, she was the senior health editor and writer for HealthiNation.

Reviewed by:
Sanjai Sinha, MDSanjai Sinha, MD, is a board-certified physician with over 20 years of experience. He specializes in internal medicine.










