Alfalfa is one of the earliest cultivated plants, used for centuries for feeding livestock. This probably is true in part because it is easy to grow, thrives in many varied climates throughout the world, and provides an excellent protein-rich food source for cattle, horses, sheep, and other animals. The name alfalfa comes from the Arabian al-fac-facah, for "father of all foods."1 Its high protein content and abundant stores of vitamins make it a good nutritional source for humans, too. Historic (but undocumented) medicinal uses of alfalfa include treatment of stomach upset, arthritis, bladder and kidney problems, boils, and irregular menstruation.

Alfalfa sprouts appear on many salad bars and in the grocery's produce section. Bulk powdered herb or capsules and tablets containing alfalfa leaves or seeds are available in pharmacies and healthfood stores.