vitamine D sulfate

例句：

1. 1.Vitamin D deficiency is a common problem in the elderly population.
   维生素D缺乏症是老年人群的常见问题。
2. 2. The supplement contains 1000 IU of vitamin D per serving, which is recommended for children over six months old.
   该补充剂每份含有1000国际单位维生素D，适用于6个月以上的儿童。
3. 3. Researchers found that vitamin D supplements could help improve bone health and reduce the riskof osteoporosis.
   研究人员发现，维生素D补充剂可以帮助改善骨健康并降低骨质疏松症的风险。