Vitamin D is essential for immunity, bones, and overall health but overdoing supplements can quietly lead to dangerous and even life-threatening complications.

While there are plenty of foods and some health conditions that cause constipation, certain supplements may also be to blame.

New guidance suggests that when you take vitamins may matter just as much as what you take, with experts cautioning that some supplements can be less effective—or even disruptive—when consumed first ...

You can’t absorb all of the vitamin C, but can only urinate it out if you take too much of it, or if it builds up and isn’t being released properly, you can get into serious trouble with your health.

More than 1 in 8 American adults are using GLP-1’s for weight loss. Experts say these are the nutritional gaps and side effects that should not to be overlooked.

There’s growing awareness of rare, but potentially serious side effects from mega doses of vitamin B6, a nutrient found in ...

Health experts warn that taking large amounts of vitamin C supplements can cause side effects ...

Topical vitamin C and retinol both provide anti-aging benefits to your skin, and combining them may compound their effects, ...