A doctor explains side effects to watch for if you're trying to figure out whether you're taking too many supplements, and ...

The NIH Office of Dietary Supplements published a fact sheet in March 2025 reviewing the evidence behind vitamins C, D, and A ...

"Omega-3 fatty acids are very good for heart health and can help lessen swelling, which is important for older people," Brukner explained. "They are also beneficial for brain well-being and might help ...

If you’ve ever been told to eat your carrots for better eyesight, you’ve already met vitamin A’s most famous claim to fame. But this nutrient is far more than vision insurance. “Yes, vitamin A is ...

Many people assume that if a supplement is labelled “natural,” it must be safe. But that belief can be misleading. Several ...

Add Yahoo as a preferred source to see more of our stories on Google. Strong bones aren’t vitamin D's only superpower. (Getty Images) (Pakin Songmor via Getty Images) Vitamin D is a real multitasker.

Walk down any supplement aisle and you’ll see dozens of B vitamins — B12 alone, B6 capsules, “energy blends,” and more. But according to neuroscientist Robert Love, not all B supplements are created ...

When it comes to nutrition, vitamins can sometimes feel like a simple fix. But are they necessary? And what are the risks?