Soy protein is a complete plant protein from soybeans. It provides all the essential amino acids your body cannot make on its own. Powder, bars, and shakes are the most common forms.
People use soy protein to support muscle building and recovery after exercise. It also helps meet daily protein needs for those on vegetarian or vegan diets. Swapping some animal proteins for soy may benefit heart health.
Mix soy protein powder with water, milk, or your favorite drink. For muscle repair, take it within two hours after a workout. You can also use it any time of day to boost protein intake.
Soy is a common allergen. If you have a thyroid condition, check with your doctor before using large amounts. Soy may interfere with thyroid medication absorption. Use caution if you have a history of estrogen-sensitive conditions.