Vitamin D and calcium supplementation may reduce risk of cancer but increase risk of cardiovascular disease, new study shows. The study, which looked at postmenopausal women, showed that the ...

Calcium builds and strengthens bones, while vitamin D helps your body absorb calcium. You need both calcium and vitamin D in balance. Getting too little of either can lead to weak, brittle bones, and ...

Calcium and vitamin D are important for bone health, and these nutrients also play an important role in muscle, nerves, and immune system health. Vitamin D helps the body absorb calcium, although you ...