Most vitamins are not single molecules, but groups of related molecules called vitamers. For example, there are eight vitamers of vitamin E: four tocopherols and four tocotrienols. The …

Nov 22, 2025 · What are the vitamin requirements in human beings? There is no uniform agreement concerning vitamin requirements for humans, but recommended daily vitamin …

Customers may return any opened or unopened merchandise purchased from any The Vitamin Shoppe or Super Supplements store or at www.vitaminshoppe.com, our mobile site or any …

Vitamins and minerals are micronutrients required by the body to carry out a range of normal functions. However, these micronutrients are not produced in our bodies and must be derived …

Sep 4, 2025 · Vitamins are essential nutrients that help with many body functions, including metabolism and energy. There are two types of vitamins: fat-soluble and water-soluble, each …

Nov 29, 2023 · Vitamins are nutrients that are found in the foods we eat. They’re needed for functions such as growth, metabolism, and nervous system activities. Often, a health …

Jul 17, 2024 · Vitamins are substances that your body needs to grow and develop normally. There are 13 vitamins your body needs; Each has specific jobs.

Sep 16, 2025 · Learn about vitamins A through K, their benefits, deficiency risks, and the best foods to eat for daily nutrition and lasting energy.

Very few foods naturally have vitamin D. Fatty fish such as salmon, tuna, and mackerel are among the best sources. Fortified foods like milk provide most of the vitamin D in American diets.

A recent look at multivitamins by Johns Hopkins researchers shows that there’s no proof of benefit. Find out the one supplement deemed beneficial—and how others failed.