Vitamin A, B, C, D, E – but What About Vitamin K? Many Seniors Aren’t Getting Enough of This Essential Nutrient, Studies Find

Nationwide surveys show that nearly 86 percent of Americans – roughly seven out of eight – take vitamin supplements. Most of us have at least a rough idea of the benefits of the “major” vitamins such as B complex, D, and E, and many take extra vitamin C when we feel a cold coming on.…