Vitamin D Could Reduce Breast and Colon Cancer 50%

As many as 50 percent of breast and colon cancer cases could be prevented by increasing intake of vitamin D, according to a study that backs continued calls for higher vitamin D upper limits.

According to the study's projections, in North America, a 50 percent reduction in colon cancer incidence would require universal intake of 2000 IU (International Units) per day of vitamin D, and a 50 percent reduction in breast cancer would require 3500 IU per day.

According to the study, the median adult intake of vitamin D in the US is only 230 IU per day, versus the researchers' recommended 2000 IU per day. In addition, they called into question the type of vitamin D used. "Use of ergocalciferol (vitamin D2), which is popular in Europe and is used in some major [inexpensive] US brands of multivitamins, should be discontinued immediately in favor of vitamin D3."

Read details of this vitamin D breast and colon cancer risk reduction study.

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