People who don’t get enough vitamin B12 through their diets may need a supplement to fill the gap. Here’s how much to take.

Q: Do seniors need any special vitamins? A: Our nutritional needs change as we age. And sometimes, several key vitamins and minerals can be low or deficient in older adults. Pop a vitamin, right? But ...

A new study found that vitamin D supplementation improved a key marker of biological aging—but it's probably too soon to rush to the drugstore. Here's what to know.

Scientists are still untangling why the nutrient gap persists—and what it reveals about how women’s health is studied and treated.

If you're dealing with low energy levels despite a balanced diet, regular exercise and quality sleep, you may be missing some key nutrients. Recent studies show that about 35% of Americans have a ...