Shown extensively in studies to increase the body’s resistance to infection by stimulating the production of antibodies and macrophages. It contains andrographolides, which are known to possess strong antiviral activity.

Widely used in Asia for enhancing the immune system. Its polysaccharides seem to have a variety of pharmacological effects, including immune modulation and antiviral and antibacterial activity.

Linked to reduced incidence, duration and severity of the common cold at a daily intake of 200mg or more.

Widely recognized for its immune-stimulating properties and its ability to support and promote the body’s own resistance to infections. Several trials have shown that people who take echinacea as soon as they feel sick reduce the severity of cold symptoms.

Used in Traditional Chinese Medicine to strengthen the body against disease. It supports the immune system and helps to combat upper respiratory tract infections. Studies have shown that astragalus also has antiviral properties that help to prevent colds and flus.

Considered in Traditional Chinese Medicine to be particularly supportive to the immune system in cases of fever or infectious disease accompanied by fever. It is also used to support the lungs and relieve coughs.

Has unique dual-action antioxidant characteristics (both a fat and water soluble vitamin). Can work inside and outside our cells. Has the ability to regenerate and recycle other beneficial antioxidants in the body like vitamin C, E, CoQ10 and glutathione.

Contains oligomeric proanthocyanidin (OPC) complexes, which can increase intracellular vitamin C levels, decrease permeability and fragility of capillaries, scavenge free radicals and slow the destruction of collagen in lung tissue.

Required by more than 300 enzymes in the body in order to function properly. Even a mild zinc deficiency is associated with a decrease in immune system functioning.