Life Extension Gamma E Mixed Tocopherols & Tocotrienols 60 Softgels (Pack of 2)What Are Gamma E Mixed Tocopherols & Tocotrienols? Vitamin E is a family of eight related lipid-soluble antioxidant compounds widely present in plants. The tocopherol and tocotrienol subfamilies are each composed of alpha beta gamma and delta fractions that have different biological activity.