WHAT IS INOSITOL? BULK POWDERS™ Inositol is the premium form of Inositol, Myo-Inositol. This is far superior to other, cheaper sources of Inositol that are often sold. Inositol is often referred to as Vitamin B8, although technically it is not classed as a member of the B Vitamin family. Inositol can be obtained via the diet; sources include fruit, in particular Oranges. However, dietary intake of Inositol is fairly low. Inositol can also be synthesised in the kidneys. Inositol is