Complex sentence: Tocotrienols are members of the vitamin E family: four tocotrienols (alpha, beta, gamma, delta) and four tocopherols (alpha, beta, gamma, delta).
Split into simpler sentences: Tocotrienols are members of the vitamin E family. The body contains four tocotrienols (alpha, beta, gamma, delta) and four tocopherols (alpha, beta, gamma, delta).