Classic Herbal Support For The Immune System Guaranteed 4% Echinacosides Combines 200 Mg Of Standardized Herb With 200 Mg Of Whole Herb Powder Non-Gmo Per 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