How does one prevent vitamin D deficiency?
Health education and awareness are essential. Human breast milk does not have enough vitamin D (40 IU/L), unlike fortified cow’s milk (400 IU/L). Babies who are breastfed should have a physician’s advice for possible oral supplement of vitamin D (300 IU per day) from birth to 6 months, Dr. Michael F. Hollick of the Boston University School of Medicine stated in their NIH-funded study, which involved 16,500 subjects, they have “found that lactating women need about 6,000 IU a day to transfer enough vitamin D into their milk to supply adequate amount to a nursing infant.” In more urgent cases, like the studies done among adolescents in the Far East, one dose of intramuscular injection of 2.5 mg (100,000 IU) of ergocalciferol given in the Fall has increased the plasma level of vitamin D that lasted till Spring the following year. Experts now say that, together with normal sun exposure, 1,000 IU is the amount of vitamin D3 tablet we all should be getting daily. While researches have also s