Sun exposure can help most people boost their vitamin D levels. Your body makes vitamin D when cells in your skin come into ...

Your body needs small amounts of vitamins every day in order to work well. But when it comes to vitamin supplements, too much ...

Taking supplements is often touted as a way to boost the immune system, but Jeffrey Bland says that’s not possible. Here’s ...

Sunflower seeds are one of the healthiest seeds you can eat and one of the best sources of vitamin E, says McWhorter. A ...

Fish oil can reduce inflammation and lower cardiovascular disease risk. Yet a growing body of research suggests that ...

You take vitamins, but are they actually working? Hidden absorption issues may be wasting your efforts. Find out how to fix ...

Foods Providing High Levels of Vitamin D Vitamin D, an indispensable micronutrient, stands as a cornerstone in preserving our ...

Interest in vitamin A is booming as Americans seek alternative treatments for measles. While the essential nutrient has a ...

Vitamin B6 can also influence serotonin and dopamine levels, which can impact your sleep if taken too late, Keatley says.

Iron supplements are particularly infamous for causing constipation, nausea, and stomach pain. Vitamin C in high doses can ...

Too much vitamin A, particularly from supplements or animal sources (retinol), can lead to toxicity known as hypervitaminosis A. Symptoms: Dizziness, nausea, headaches, dry skin, joint pain, and in ...