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  • Title: Effects of a Multispecies Probiotic Supplement on Bone Health in Osteopenic Postmenopausal Women: A Randomized, Double-blind, Controlled Trial.
    Author: Jafarnejad S, Djafarian K, Fazeli MR, Yekaninejad MS, Rostamian A, Keshavarz SA.
    Journal: J Am Coll Nutr; 2017; 36(7):497-506. PubMed ID: 28628374.
    Abstract:
    OBJECTIVE: The development of alternative approaches to prevent and/or treat osteoporosis, as a chronic progressive bone disease, is being considered currently. Among dietary supplements, probiotics may have favorable effects on bone metabolism. Therefore, the aim of this study was to evaluate the effects of a multispecies probiotic supplementation on bone biomarkers and bone density in osteopenic postmenopausal women. METHODS: This randomized double-blind placebo-controlled clinical trial was performed on 50 patients with osteopenia aged 50-72 years. Participants were randomly assigned to take either a multispecies probiotic supplement (GeriLact; n = 25) or placebo (n = 25) for 6 months. GeriLact contains 7 probiotic bacteria species. Participants received 500 mg Ca plus 200 IU vitamin D daily. Bone mineral density (BMD) of lumbar spine and total hip and blood biomarkers including bone-specific alkaline phosphatase (BALP), osteocalcin (OC), collagen type 1 cross-linked C-telopeptide (CTX), deoxypyridinoline (DPD), parathyroid hormone (PTH), 25-OH vitamin D, and serum pro-inflammatory cytokines (tumor necrosis factor [TNF]-α and interleukin [IL]-1β) were assessed at baseline and at the end of the study. RESULTS: The multispecies probiotic significantly decreased BALP (p = 0.03) and CTX (p = 0.04) levels in comparison with the control group but had no effect on BMD of the spine and total hip. Moreover, there was a statistically significant decrease in serum PTH (p = 0.01) and TNF-α (p = 0.02) in the intervention group compared to the placebo group. CONCLUSIONS: These results may suggest the favorable effects of the multispecies probiotic supplementation for 6 months on bone health in postmenopausal women due to slowing down the rate of bone turnover.
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