Vitamin D3 may have a powerful effect on your entire body. Besides, it can even protect you from cancer. That is why you should conduct a simple blood test to have your vitamin D3 levels in the blood measured.
Indeed, this test can protect you from several health issues, not the least of which is breast cancer. It can inhibit the growth and division of breast cancer cells. If you are deficient in this vitamin, your risk of breast cancer soars.