Key Takeaways Vitamin D may help lower blood pressure in people with pre-existing high blood pressure and low vitamin D ...

Vitamin D appears to influence our immune health, too. Studies have found a link between low vitamin D levels and incidence ...

Taking too many vitamins and supplements may cause health problems, including vitamin toxicity, interactions, ...

Medically reviewed by Paria Sanaty Zadeh, PharmD Vitamin C can increase the absorption of iron, an essential mineral. Vitamin C intake (whether in food or as a supplement) can also impact how other ...

Vitamins and supplements have gained popularity in recent years, making it challenging to determine which ones are worth the investment. Learn which vitamins work and which ones to skip.

Though vitamins won't expire and become unsafe, they will lose potency, which means they're not doing you any good.

Eat more of these whole foods loaded with vitamin C to support your immune system instead of taking a supplement, dietitians say.

Taking iron and vitamin D supplements together is a safe way to correct nutrient deficiencies and get the benefits of each.

Vitamin D is important for your bones, muscles, nerves, immune system, and more. But if you get too much, it could lead to a rare and possibly serious condition called vitamin D toxicity. You may hear ...

Vitamin D is the most important vitamin to keep tabs on during the winter. “As sunlight is weaker and in short supply during ...

She has been taking eight B-100 vitamin supplements a day for years. The percentage daily value of vitamin B-6 in one pill is ...

Drinking coffee may interfere with your body's ability to absorb or use iron, calcium, vitamin D, B vitamins, zinc, and magnesium. Timing may matter.