~~Inositol is a B-type vitamin. It protects at a cellular level and helps promote healthy mood and stress-coping ability. Important for eye health. Enhances the function of the brain and immune system. ~~It protects at a cellular level and assists with stress, insomnia, depression and anxiety. Inositol is also important for eye health. It enhances the function of the brain and immune system. Promotes hair growth and may reduce the onset of grey hair.