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Soy Protein With Isoflavones Has Favorable Effect on Lipids in Postmenopausal Women

Soy Protein With Isoflavones Has Favorable Effect on Lipids in Postmenopausal Women

Saturday, July 19th 2003

The addition of isoflavone-containing soy protein in the diet has a favorable effect on lipids in postmenopausal women, according to a report in the June issue of Clinical Endocrinology.

In a placebo-controlled, double-blind study, Dr. Helena J. Teede, of Monash University, Australia, and colleagues examined the effect of a soy protein supplement containing isoflavones on lipids and bone resorption in postmenopausal women. One hundred six women were randomized dietary soy supplementation or placebo.

The researchers measured lipid profiles, including total, LDL and HDL cholesterol and triacylglycerol. They used pyridinoline and deoxypyridinoline as markers of bone resorption. To assess compliance, the team measured urinary isoflavone excretion. Seventy-eight women were included in the final analysis, which was conducted after 3 months.

The investigators observed a significantly greater increase in urinary isoflavone excretion in the soy group compared with the placebo group. Overall, 92.9% and 93.6% of women in the soy and placebo groups, respectively, were compliant.

Compared with the placebo group, women in the soy group had significant improvements in lipid profiles, with decreases observed in LDL cholesterol (p < 0.05), triacylglycerol (p < 0.005) and LDL:HDL ratio (p < 0.005).

However, "there were no significant changes from baseline in the two markers of bone resorption for soy vs. placebo,"Dr. Teede and colleagues add.

"From a public health perspective, isoflavone-containing soy protein has potential health benefits, but is not a replacement for HRT," they conclude. "Further studies are needed to elucidate the active components and modes of action of soy in lowering lipids."

Sourced from Clin Endocrinol 2003;58:704-709

Footnote from Ideal Health:

The following products are all useful for HRT alternatives :

Black Cohosh Standardised
DIM
Estrosoy Plus
Evening Primrose Oil
Femplex
Femaprin
Femzone
Hot Flush Fix
Maca Gold
Meno-Life
Self Test Female Hormone Test Kit
Vitex

Related health information can be found here:

7-Keto DHEA, the fountain of youth hormone
Calcium Deficiency
Chaste Tree (Vitex agnus castus) as a hormone balancer
DIM Plus to assist in cancer prevention
Herbal phytoestrogens and menopause
Hormonal Changes
Infertility
Menopause
Menustrual Problems
Suffering from menopausal symptoms? Femitone may help

Related articles can be found here:

Current Combined HRT Use Doubles Risk of Breast Cancer
Doctors to Curtail Hormone Therapy
Estrogen-Progestin Associated With Increased Risk of Stroke and Dementia
Fat Intake Linked to Breast Cancer in Premenopausal Women
Low Bone Mineral Density Linked to Dementia in Women
Menopause Not Linked to Decline in Cognitive Functioning
Soy Protein With Isoflavones Has Favorable Effect on Lipids in Postmenopausal Women
Women To Get Warning On Injection

If you need help or advice, you are welcome to email our naturopathic team with your health question.

Disclaimer: The health information presented here has been written for the New Zealand health consumer. It is of a general nature and is only intended to provide a summary of the subjects covered. The information is not intended to be comprehensive or to provide medical advice to you. While all care has been taken to ensure the accuracy of the information, no responsibility or liability is accepted, and no person should act in reliance on any statement contained in the information provided. All health ailments should be treated by a qualified health professional.

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