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.

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.

References

• U.S. Dairy Export Council
• National Soybean Research Laboratory
• SoyOnline service

Resources

• U.S. Food and Drug Administration