Plus, how to tell if you need to supplement at all.

Taking both a multivitamin and vitamin D can help support nutrient needs, but it's important to keep your total vitamin D intake within safe limits.

Adults and children over four years old should take 10 micrograms (400IU) of vitamin D per day during the autumn and winter.

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? When your supplement stack starts taking up not one, but two shelves in your ...

Stop guessing your dosage and discover how the "sunshine vitamin" recharges your skeletal system, muscles, and cognitive health when taken with consistency.

Vitamins C and E both support healthy skin and immune function in unique ways, and using them together may help you achieve better results in both areas.

Magnesium and vitamin D help with bone health, mental health, and cardiovascular health. It's usually safe to take magnesium and vitamin D together.

Multivitamins are a great way to fill in nutritional gaps — aka areas where your diet just doesn’t cut it. Because many men can’t get enough of all the vitamins and nutrients they need from food, a ...

Too much vitamin A, she added, could also have adverse effects, including joint pain, headaches, a loss of hair, muscle pain, a loss of vision and nausea, as well as birth defects, skin irritation and ...

Multivitamin supplements have become a routine addition to many Americans' diets, with as many as 1 in 3 U.S. adults consuming them regularly, but are these daily doses improving overall health and ...

Experts explain the vitamin's impact on longevity.