Get answers to your Acupuncture questions.
Not all soy protein products contain the same amount of protein. The following list ranks some popular products from greatest amount of soy protein to lowest:
The best way to find out about protein content is to look on the product's Nutrition Facts label to see the percentage of soy protein. Also look at the list of ingredients. If a product contains isolated soy protein (or soy protein isolate), the protein content should be fairly high.
Some products also list how many grams of soy protein are in one serving of the product.
Note: There's a difference between soy supplements (commonly sold in tablets or capsules) and soy protein products. Soy supplements are generally made of concentrated soy isoflavones. These substances may help relieve symptoms of menopause but there is not enough evidence to support using soy isoflavones for any of the other health benefits, such as lowering cholesterol.
Sacks FM, Lichtenstein A, Van Horn L, Harris W, Kris-Etherton P, Winston M. Soy protein, isoflavones, and cardiovascular health: an American Heart Association Science Advisory for professionals from the Nutrition Committee. Circulation. 2006 Feb 21;113(7):1034-44. Epub 2006 Jan 17.
Hasler CM. Position of the American Dietetic Association: Functional foods. J Am Diet Assoc. 2004;104(5): 814-26.
Nedrow A, et al. Complementary and alternative therapies for the management of menopause-related symptoms: a systematic evidence review. Arch Intern Med. 2006 Jul 24;166(14):1453-65.
© 2011 University of Maryland Medical Center (UMMC). All rights reserved.
UMMC is a member of the University of Maryland Medical System,
22 S. Greene Street, Baltimore, MD 21201. TDD: 1-800-735-2258 or 1.866.408.6885