Lauren Manaker, a registered dietitian nutritionist, outlined the effectiveness of D2 and D3 in food and supplements. “While ...

There are many options for supplements out there to help with everything from immunity to hair. If you feel like you could use an energy boost, you're not alone and there are vitamins that can help.

“It can cause gastrointestinal issues if not needed,” warns Sharp.

Is your vitamin supplement habit harming the planet? Discover the shocking truth about nutrient depletion, synthetic vitamins ...

Vitamin B12 does also accumulate in a few plant-based sources, including some mushrooms, seaweed, and nutritional yeast, but ...