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Soy - Overview

Definition of Soy:

The soybean has been a part of the human diet for almost 5,000 years. Unlike most plant foods, the soybean is high in protein and is considered equivalent to animal foods in terms of the quality of the protein it contains.

Function:

Soy in your diet can lower cholesterol. There are many scientific studies that support this conclusion. In fact, the U.S. Food and Drug Administration (FDA) agreed that 25 grams per day of soy protein, as part of a diet low in saturated fat and cholesterol, may reduce the risk of heart disease.

Soy may also reduce symptoms of menopause and the risk of osteoporosis. Soy products may possibly prevent certain hormone-dependent cancers, including breast cancer, endometrial cancer, and prostate cancer.

Reviewed last on: 3/26/2007
William McGee, M.D., M.H.A., Assistant Professor of Medicine and Surgery, Tufts University School of Medicine, Boston, MA, and Chairman, Nutrition Committee, Baystate Medical Center, Springfield, MA. Review provided by VeriMed Healthcare Network.

References

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.

American College of Obstetricians and Gynecologists Committee on Practice Bulletins--Gynecology. Clinical Management Guidelines for Obstetrician-Gynecologists. Use of botanicals for management of menopausal symptoms. Obstet Gynecol. 2001 Jun;97(6):suppl 1-11. Review.

Mahady GB, Parrot J, Lee C, Yun GS, Dan A. Botanical dietary supplement use in peri- and postmenopausal women. Menopause. 2003 Jan-Feb;10(1):65-72.

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