Traditionally used as a springtime tonic, alfalfa is a great way to rejuvenate and revitalize any time of year. Swanson GreenFoods Formulas Alfalfa delivers 500 mg of organic alfalfa leaf per serving in convenient capsule form. May support cardiovascular health Provides antioxidant support Great source of chlorophyllVegan, Vegetarian, Non-GMOPer GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.