anti-rachitic       
adjective  medical specialized (also antirachitic) uk/ˌæn.ti.rəˈkɪt.ɪk/ us/ˌæn.taɪ.rəˈkɪt.ɪk/
 抗佝偻病的
used to prevent or cure rickets (= a disease which children without enough vitamin D can suffer from)
  Vitamin D is sometimes said to be the anti-rachitic vitamin.
 Is human milk a more powerful anti-rachitic agent than cow's milk? 人奶是不是比牛奶更能抗佝偻病? 
 - More examples
 - The antirachitic activity of the oils from all of the fish were analyzed.
 - The investigation was interested in the anti-rachitic properties of various baby milks.
 - They found that rats given a diet deficient in the antirachitic factor developed rickets.