Question

multiple choice question
the form of vitamin e that is the basis for the rda and is the most common form in the bloodstream is:
alpha - tocopherol.
beta - tocopherol.
delta - tocopherol.
gamma - tocopherol.

Explanation:

The Recommended Dietary Allowance (RDA) for vitamin E is based on alpha - tocopherol, which is also the most prevalent form of vitamin E in the bloodstream. Other forms like beta - tocopherol, delta - tocopherol, and gamma - tocopherol are less common and have different biological activities.

Answer:

alpha-tocopherol.