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Different forms of vitamin E. The vitamin E group consists of eight different forms, α-, β-, γ-, δ-tocopherol (TOH) and their respective tocotrienols (T3), α-TOH being the most prominent form in human nutrition and in the human body. Other forms of vitamin E, such as tocomonoenols, are known, but are not relevant in human nutrition, and are therefore not addressed in this review.
