Experts believe Echinacea, a collection of nine related plant species indigenous to North America, may work by boosting the body's immune system. There are three varieties of Echinacea with the most effective plant being Echinacea purpurea, a North American perennial that can be found grown mostly in the prairies, the Midwest States and as far south as Texas. The plant is hand-picked for their flower-heads, seeds, roots and the juice of which is then used to make capsules, extracts, tinctures and tea. Echinacea standardized Ext (160mg 20:1 equivalent to 3200mg of herb), Microcrystalline Cellulose, Magnesium Stearate, Dicalcium Phosphate. Take one tablet daily. Store in a cool dry place. Keep away from children at all times. Do not use if the seal is broken. Please consult your GP or medical professional before taking supplements, especially if you are pregnant or lactating, taking medication or under medical supervision. Do not exceed recommended dose. Food supplements should not be used as a substitute for a varied diet.