Alfalfa (Medicago sativa) is an herb that some people consume as a source of calcium, potassium, phosphorous, iron, and vitamins A, C, E, and K. Alfalfa is most commonly grown as food for ...

Supplemental forms of alfalfa are typically available as capsules, powders, or tablets. You can purchase supplements that only contain alfalfa. Alfalfa powder is also available in some supplements ...