alpha-tocopherol
noun
Janet RaloffNote: Alpha-tocopherol is a potent antioxidant and the most biologically active form of vitamin E. Because alpha-tocopherol is the form of vitamin E most essential to biological functioning, it is often used synonymously with vitamin E.
S. Boyd EatonExamples of alpha-tocopherol in a Sentence
Jennifer Lefton, Verywell Health, 6 Oct. 2025
And some ingredients that are unrecognizable to many people may actually be vitamins, Dr. Nestle said, like sodium ascorbate (vitamin C), pyridoxine (vitamin B6) and alpha-tocopherol acetate (vitamin E).
—New York Times, 9 Jan. 2025
Based on these new findings, food sources of lycopene, zeaxanthin, lutein, and alpha-tocopherol (vitamin E) should have a place on your plate to support your brain health.
—Lauren Manaker Ms, Rdn, Health, 28 Aug. 2023
Cite this Entry
“Alpha-tocopherol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alpha-tocopherol. Accessed 3 Nov. 2025.
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alpha-tocopherol
noun
Janet RaloffNote: Alpha-tocopherol is a potent antioxidant and the most biologically active form of vitamin E. Because alpha-tocopherol is the form of vitamin E most essential to biological functioning, it is often used synonymously with vitamin E.
S. Boyd Eaton
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