Vitamin D pills' effect on healthy bones queried

Healthy adults do not need to take vitamin D supplements, suggests a study in The Lancet which found they had no beneficial effect on bone density, a sign of osteoporosis. But experts say many other factors could be at play and people should not stop taking supplements.
University of Auckland  researchers analysed 23 studies involving more than 4,000 healthy people. The UK government recommends children and over-65s take a daily supplement. The New Zealand research team conducted a meta-analysis of all randomised trials examining the effects of vitamin D supplementation on bone mineral density in healthy adults up to July 2012. The supplements were taken for an average of two years by the study participants.
Source - BBC

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