Botanicals 4 Life use a unique triple extraction process using both alcohol and cold water in order to maximise the uptake of the full spectrum of key nutrients. In the 3rd stage of extraction, the alcohol is evaporated and replaced with glycerine. Vegetable glycerine is low GI and acts as a natural preservative. Botanicals 4 Life Echinacea & Elderberry combination contains concentrated levels of powerful antioxidants and key active compounds for seasonal support.