Explore: Supplements (nutrient).

of dietary supplements. The United States National Institutes of Health states that some supplements may help provide essential nutrients or support overall

A nutrient is a substance used by an organism to survive, grow and reproduce. The requirement for dietary nutrient intake applies to animals, plants, fungi

"Office of Dietary Supplements - Vitamin B12". ods.od.nih.gov. Retrieved 22 March 2025. "Vitamin B-12 (µg)" (PDF). USDA National Nutrient Database for Standard

in spirulina supplements marketed in China. One study reported the presence of lead up to 5.1 ppm in a sample from a commercial supplement. Spirulina doses

multivitamins. Individuals who use dietary supplements (including multivitamins) generally report higher dietary nutrient intakes and healthier diets. Additionally

marketing scams concerning nootropic supplements. Nootropics include both prescription drugs and dietary supplements marketed to enhance brain function

Fibre supplements (also spelled fiber supplements) are considered to be a form of a subgroup of functional dietary fibre, and in the United States are

Proteins are essential nutrients for the human body. They are one of the constituents of body tissue and also serve as a fuel source. As fuel, proteins

A nutrient cycle (or ecological recycling) is the movement and exchange of inorganic and organic matter back into the production of matter. Energy flow

support its life. The intake of these substances provides organisms with nutrients (divided into macro- and micro-) which can be metabolized to create energy