Soy in men
This article was originally published in The Tan Sheet
Executive Summary
Supplementation with soy protein "may be beneficial to the skeletal health of men," according to Dania Khalil, Oklahoma State University, et al. In a three-month, double-blind study, 64 healthy men were given either 40 g/day of soy protein or casein. To assess the treatments' effects on bone markers in older vs. younger men, subjects also were divided into groups over and under 65 years. Serum insulin-like growth factor-I, which has been associated with bone formation, increased 104% and 45% for younger and older men, respectively, taking soy protein compared to 41% and 17% for younger and older men, respectively, taking casein. However, poster exhibited at FASEB meeting notes "dose-response studies of longer duration" are needed
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