ALFALFA BENEFITS. Also known as Medicago Sativia, is a perennial flowering plant in the pea family used as a food and supplement. Source Naturals Alfalfa contains excellent ingredients such as protien, dietary fiber and organic alfalfa leaf. SUGGESTED USE. Take 6 tablets daily. SUITABLE FOR VEGETARIANS. Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, preservatives or artificial color, flavor or fragrance.