Most nutritionists also suggest supplementing with vitamin C at a dosage of 500mg to 2, 000 mg each day, depending on how much you obtained from your diet.
大多数营养师还建议每天补充500 mg至2000mg剂量的维生素C。 吸收量的多少取决于你的饮食。
2
Researchers found that each picomolar increase in blood vitamin B12 level was associated with a2% reduction in the risk of Alzheimer's disease among the elderly.
研究人员发现，血中维生素B12水平的每皮摩尔增加与老年人中阿尔茨海默氏病风险2%的下降相关联。
3
The reaction mixture then undergo esterification and rearrangement reaction to prepare 1-chloro-2-methyl-4-(acetyloxy)-2-butene, which is a important intermediate of vitamin A.