Discoveries made in the nematode Caenorhabditis elegans revealed that aging is under genetic control. Since these transformative initial studies, C. elegans has become a premier model system for aging ...

Plant and animal foods rich in vitamin A include liver, sweet potatoes, spinach, cantaloupe, eggs, and many more. Vitamin A is an essential nutrient that supports vision, the immune system, and major ...

Office of Dietary Supplements. Vitamin D fact sheet consumer version. Office of Dietary Supplements. Vitamin D: fact sheet for health professionals. Shieh A, Chun RF, Ma C, et al. Effects of High-Dose ...

Some of the best vitamin C supplements come from brands such as Thorne, Mindbodygreen, and more. Learn about the benefits of vitamin C supplements and the best options to choose from here.

The sun is one of the best sources of vitamin D for the human body. How much sun a person needs per day depends on factors such as skin type, the season, and cloud coverage. Vitamin D is an ...

“Vitamin B” refers to eight different vitamins, which all play a role in converting food into energy in the body. Each vitamin has a unique role in a person’s health. Vitamin B-complex ...

If you ask virtually any dermatologist or skin expert out there about powerhouse skin ingredients, we’d bet the big bucks that one of the best vitamin C serums would make the cut. In fact ...

Your doctor will give you the right dosage of vitamin B12 supplement, especially if you will inject it. Taking too much can cause side effects like nausea, headache, dizziness, and, in some cases ...

Fruits high in vitamin C get a lot of attention during cold and flu season, and for good reason. Vitamin C plays a role in keeping the immune system strong, which helps people get better when ...

But vitamin C is one of those actually necessary ingredients. The antioxidant promises to do everything from fading dark marks to fighting free radicals (which break down collagen) to diminishing ...

Vitamin C is water-soluble, meaning excess is excreted in urine rather than stored, says Ludham-Raine. “Consuming over 1,000mg per day may cause stomach upset or diarrhoea,” she adds.