Wednesday, October 10, 2012
Category : NEWS | Author : experts
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Vitamins and minerals have been the big winner of Regulation 432/2012 which states the health claims that could be indefinitely used in Europe. Conversely to other ingredients, vitamins and minerals have been accepted for the most part because of the deleterious effects of their deficiency and not thanks to a beneficial effect of a supplementation. And the reason is simple: no evidence have shown the efficacy of a supplementation for almost all vitamins and minerals.
Recently, a study has for the first time shown an effect of a vitamin C supplementation on bone metabolism in ovariectomized mice. The results have shown that vitamin C has prevented bone turn-over induced by ovariectomy, notably thanks to a stimulation of bone formation. Nevertheless, the effects have been measured for an elevated daily intake (10 g/day for 8 weeks), doses much more elevated than the ones usable in dietary supplements. Let’s remind that the acceptable daily intake has been set at 180 mg/day…

Reference: Zhu L.L. et al. (2012) « Vitamin C prevents hypogonadal bone loss » PLoS ONE, 7(10):e47058

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