Vitamin E

Vitamin E is a group of eight fat soluble chemicals that include four tocopherols and four tocotrienols. Vitamin E deficiency, which is rare and usually due to an underlying problem with digesting dietary fat rather than from a diet low in vitamin E, can cause nerve problems.The crucial function played by Vitamin E that makes it a vitamin is poorly understood, but may involve antioxidant functions in cell membranes.Other theories hold that vitamin E – specifically the RRR stereoisomer of alpha-tocopherol – act by controlling gene expression and cell signal transduction