Ingredient % Percent Daily Value Echinacea Extract, Full Spectrum510mgEchinacea is the most relied upon botanical in North America for supporting healthy immune functions. Planetary Herbals Full Spectrum(TM) Echinacea Extract combines concentrated extract of the roots of Echinacea angustifolia (standardized to 4% echinacosides), Echinacea purpurea and Echinacea pallida. This captures the full spectrum of echinacea compounds from three different species. Calcium 57mg 6% Echinacea purpurea and Echinacea pallida Root Extract (1.5;1) 750mg Echinacea angustifolia standardized Extract 4% Yielding 10.8 mg Echinacosides 270mg Serving Size: 2TabletsOther Ingredients: dibasic calcium phosphate, stearic acid, colloidal silicon dioxide, modified cellulose gum, and magnesium stearate.Suggested Use: 2 tablets twice daily.Warnings: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.Do not use if either tamper-evident seal is broken or missing. Keep out of reach of children.Store in a cool, dry place.