This elegant formula can provide support for seasonal sufferers through an innovative blend of flavonoids, Vitamin C and Diindolylmethane (DIM).* Can help inhibit excess histamine release, support the body's own antioxidant switch, and assist the body's ability to break down histamine.* Because uptake of the molecules in this formula can be limited by digestive breakdown, Hista-Aid uses an advanced phospholipid delivery systems to deliver core ingredients more efficiently.* The difference is clear: this product's clear consistency can only be achieved with liposomes that are small enough to pass between cells. The smaller, more stable vesicles begin absorbing as soon as they hit the mouth.* This product uses phospholipids from purified sunflower seed lecithin and does not contain gluten.