The best way to get enough vitamin D is through food, right? No, according to the latest Harvard Heart Letter, which says supplements are the best way for Americans to raise their bodyâ€™s level of vitamin D, which in most cases too low right this moment.
In fact, the Harvard report notes that at least one-third of Americans and 75 percent of people who have cardiovascular disease are vitamin D deficient. To make that determination, the report states that "deficient" is defined as less than 20 nanograms of 25-hydroxyvitamin D per milliliter of blood (ng/mL); "insufficient" is from 20 to 30 ng/mL, and "sufficient" as any level greater than 30 ng/mL. The Vitamin D Council, however, states that everyone should maintain a level of 50 to 80 ng/mL, which means that according to their standards, a great many more people would be classified as being vitamin D deficient.
Vitamin D deficiency is a serious problem, as this vitamin plays a critical role in bone strength (including osteoporosis and fractures associated with falls), coronary artery disease, high blood pressure, heart failure, muscle pain, infection, some types of cancer, type 2 diabetes, depression, asthma, and memory loss. Read more...