Unique Polysaccharides and Phytonutrients Noni (Morinda citrifolia) grows extensively throughout the South Pacific and has been traditionally consumed as a tonic by native populations of the region. Noni has an abundance of naturally-occurring polysaccharides, phytonutrients, bioflavonoids and unique fatty acid esters contributing to Noni’s free radical quenching properties. Compounds found in Noni have been have been studied for their support of healthy immune system function and normal cellular responses.