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

Low levels of vitamin D are linked with increased inflammation and a higher risk of autoimmune conditions, Cassetty says.

Discover how exceeding 2,000mg of vitamin C daily triggers digestive distress, kidney stones, and other surprising health ...

Dietary supplements help enhance your overall health and well-being. However, it is best to take a few right after you wake ...

Does taking vitamin C really make a difference to winter colds and flu, or does it just empty your wallet? Niki Bezzant investigates.

Knowing which vitamins you need can be pretty confusing. Here, experts detail which vitamins you should take daily and how to ...

“Multivitamin supplements usually contain vitamin D ... are recommended to take 800 to 1,000 IU a day.” “Vitamin C is an antioxidant and is used to prevent scurvy,” White explains.

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 ...

For example, vitamin C can enhance iron absorption. “I love that Nature Made’s vitamins are USP certified, ensuring it undergoes thorough third-party testing for ingredient efficacy and ...

Vitamin B6 can also influence serotonin and dopamine levels, which can impact your sleep if taken too late, Keatley says. “For individuals using a B-complex supplement, morning with breakfast is often ...

RFK Jr. has cited vitamin A and cod liver oil as effective methods of measles prevention while stopping short of outright ...