The Institute of Medicine maintains that a level of 20 nanograms is adequate, but other experts say it should be higher to assure maximum calcium absorption and bone health.
It is also ground to an extremely fine powder for maximumabsorption, and then either packed in plastic sachets for maximum freshness, or pressed into tablets.
这也是理由非常精细粉末的最大吸收,然后或者装在塑料保鲜袋最大,或压制成片。
3
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