Probiotic review finds higher spine bone density, with mixed results elsewhere
Pooled trials found higher lumbar spine bone density and lower parathyroid hormone levels, without statistically significant improvements in hip density or other measured markers.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The pooled trials found higher lower-spine bone density and lower parathyroid hormone levels with probiotic or synbiotic supplements. Total hip density and other measured bone markers showed no statistically significant improvement. These results concern bone density and laboratory measurements; the abstract does not report whether supplementation reduced fractures.
This abstract-based summary cannot identify which people or products the result applies to: participant characteristics, supplement formulations, treatment lengths and comparator details are missing.
What researchers found
Lumbar spine bone mineral density
Spine density favored supplementation by 0.86 standard deviations, units based on the spread of measurements within studies. Comparator details and assessment timing were unreported.
The question examined
Researchers pooled studies evaluating probiotic or synbiotic supplements for osteoporosis. The favorable density result was confined to the lower spine; the hip result was uncertain, so the findings should not be generalized across skeletal sites.
Interpreting the mixed results
The spine estimate is expressed relative to variation in measurements, rather than as a percentage gain. Its confidence interval leaves substantial uncertainty about magnitude; the nonsignificant results elsewhere do not prove an absence of effect.
The original publication
Probiotic and synbiotic supplements for osteoporosis: a meta-analysis of randomized trials.
Gong Z, Hu Q, Sabagh Z et al.
J Health Popul Nutr · 2025
- PubMed ID
- 41457232
- Record checked
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