Nature's Answer Immune Boost Herbal Blend Fluid Extract simply boosts the immune system naturally. Immune Boost includes a variety of herbs including Echinacea (Echinacea angustifolia, purpurea), Olive Leaf (Olea Europaea), Wild Indigo (Baptisia tentoria), Thuja (Thuja occidentalis) which are all well known for their immune supportive properties. Echinacea is well researched immune support herb, Olive Leaf and all other herbs are well known for its immune support properties. Nature's Answer Immune Boost Herbal Blend Fluid Extract is a fast acting liquid formulation to strengthen the immune system, primarily for winter ailments such as ills and chills, suitable for the whole family. It can also be used for the treatment of all types of infections, such as poor wound healing, thrush and skin conditions. The alcohol free extracts are produced using cold Bio-Chelated proprietary extraction process, yielding a Holistically Balanced Advanced Botanical Fingerprint extract in the same synergistic ratio as in the plant. Using carefully-controlled extraction techniques, Nature's Answer capture the holistic balance® of each herb and the value is passed on to you, Nature's Answer customer. From plant to shelf™, you can be assured that the brand know exactly what's in the product in your hand, and Nature's Answer guarantee it is authentic, safe, effective, holistically balanced®, and of course Nature's Answer®.