Inositol, or more precisely myo-inositol orcyclohexanol, is a carbocyclic sugar; is widely distributed in animals andplants and acts as a growth factor for animal microorganisms. it mediates cellsignal transduction in response to a variety of hormones, neurotransmitters,and growth factors and participates in osmoregulation. It is a sugar alcohol with half the sweetness of sucrose (table sugar). It is made naturally inhumans from glucose.