Mixed Tocopherols
Mixed Tocopherols is a unrated form of Vitamin E, used in 485 on-market products .
485
on-market products
unrated
quality tier
n/a
elemental fraction
Why this tier: A mixed alpha/beta/gamma/delta blend has different overall biological activity than isolated alpha-tocopherol (RDA/label math counts only the alpha fraction), and no comparative-potency study for this specific commercial blend was located.
Source: NIH ODS Vitamin E fact sheet (IOM 2000): only alpha-tocopherol counts toward requirements; no comparative-potency study of mixed blends located