Study Spotlight

Study Spotlight

Green Tea and Tai Chi Benefit Bone Health in Postmenopausal Osteopenic Women


In a study involving 171 post-menopausal osteopenic women, supplementation with green tea polyphenols and a regimen of Tai Chi for 6 months was found to be associated with increased bone formation biomarkers and improved bone turnover rate, as well as improved muscle strength. Furthermore, Tai Chi was associated with increased serum parathyroid hormone levels. Subjects were randomized to one of 4 groups for a period of 6 months: 1) placebo (500 mg starch/d), 2) green tea polyphenols (500 mg/d); 3) placebo + Tai Chi (60 min sessions, 3 times/week); 4) green tea polyphenols plus Tai Chi. Results found significant increases in BAP levels associated with green tea polyphenol intake at 1 month and associated with Tai Chi practice at 3 months. An increases in the change of BAP/TRAP ratio was also found with green tea polyphenols at 3 months and Tai Chi at 6 months. Tai Chi along was associated with significant increases in serum parathyroid hormone levels at 1 and 3 months. I n all 3 intervention groups (green tea, Tai Chi, and green tea + Tai Chi), muscle strength significantly improved after 6 months.

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