Tocotrienols WHAT IS TOCOTRIENOLS? While d-alpha-tocopherol is the most common form of vitamin E, the term “vitamin E” actually applies to 8 distinct but similar naturally occurring compounds: the d-tocopherols (alpha, gamma, beta, and delta) and the d-tocotrienols (also: alpha, gamma, beta, and delta). https://www.nationalnutrition.ca/vitamin-e/tocotrienols.html #tocotrienolssupplements