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Whey Vs. Soy Shakes

Whey and soy shakes contain easily digested proteins. Each provides a quick energy boost, aids in building muscle mass and helps to curb appetites. They also can be used as powdered meal supplements for weight management.

  1. Whey

    • Cow milk is the most common source for whey in the United States. It is the liquid byproduct of making cheese and yogurt.

    Soy

    • Soybeans contain plant proteins and all of the required amino acids for proper nutrition, as well as polyunsaturated fats, essential fatty acids and linolenic acid.

    Benefits

    • Adding protein to your diet will increase your energy and build muscle mass for athletic competition or bodybuilding. Protein can be used as a meal replacement when dieting.

    Allergies

    • Soy and whey are among the top 10 listed food allergies. Many people are allergic to either milk products or soy products; however, an allergy to both sources of protein is rare.

    Negatives

    • In 1997, the National Center for Toxicological Research (NCTR) of the Food and Drug Administration showed that soy can have a negative effect on the thyroid. It has been linked to hypothyroidism and goiters.

    Considerations

    • Commercially prepared whey or soy shakes may contain additional ingredients. Flavorings, sweeteners and carbohydrates may increase the caloric value of the shakes.

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