Spirulina
Spirulina is a single cell plant that comes from a family of blue-green algae. Phytonutrients in spirulina are responsible for strengthening the immune system are beta-carotene, phycocyanin and polysaccharides. Beta-carotene - a powerful antioxidant, it can clearing free radicals and protects the body from oxidative damage. The results of the study to assess the relationship between the polysaccharides in spirulina and immune function showed an increase in the activity of T cells, the thymus gland, bone marrow and spleen.