80% Reduction of Breast Cancer Risk Using Vitamin D There are many studies that have shown the connection between breast cancer and vitamin D, starting with the epiphany of the Garland Brothers when they first drove across the country in , and then moving into many research studies, including our very own Breast Cancer Prevention Project. Vitamin D is the name given to a group of fat-soluble prohormones (substances that usually have little hormonal activity by themselves but that the body can turn into hormones).Vitamin D helps the body use calcium and phosphorus to make strong bones and teeth. Skin exposed to sunshine can make vitamin D, and vitamin D can also be obtained from certain foods.
According to the pooled analysis, individuals with serum 25 (OH)D of approximately 52 ng/ml had 50% lower risk of breast cancer than those with serum This serum level corresponds to intake of IU/day. This exceeds the National Academy of Sciences upper limit of IU/escortxx.xyz by: Feb 14, · Vitamin D influences the expression of breast cancer-related gene activity, including cell differentiation, cell growth, and angiogenesis, all of which are related to cancer development and progression. Vitamin D binds to the vitamin D receptor (VDR).
Studies have suggested that low vitamin D intake may increase breast cancer risk. A Canadian study has reported a reduced risk of breast cancer among women using vitamin D supplements (1). Although the past data has not been conclusive, several other studies have suggested that low vitamin D intake may increase breast cancer risk (2,3,4). Mar 01, · Meanwhile, a similar study conducted recently showed that women with a vitamin D level above 38 ng/mL (about the level conventionally regarded as “adequate) had a 21% lower risk of breast cancer than women with levels at or below (O’Brien et al., ).