B-complex vitamins are essential for myriad physical and mental functions. Find out just how much you need.
Even if you eat a balanced, whole-foods diet, you may still be missing vital nutrients. And even low-level vitamin deficiencies can sap energy, diminish immune function, and lead to mood swings and brain fog. Here's a look at some of the most common deficiencies-and what you can do about them.
Learn how shots and supplements differ and can help with B12 deficiency.
All the calcium in the world won't help your bones if you have chronic inflammation-a hidden cause of osteoporosis
Learn why niacin, or vitamin B3, is not only good for your heart, but also vital for mental health, including Alzheimer's prevention.