vitamin D
noun
: any or all of several fat-soluble vitamins chemically related to steroids, essential for normal bone and tooth structure, and found especially in fish-liver oils, egg yolk, and milk or produced by activation (as by ultraviolet irradiation) of sterols: such as
a
or vitamin D2
: calciferol
b
or vitamin D3
: cholecalciferol
Examples of vitamin D in a Sentence
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Salmon Salmon is rich in omega-3 and vitamin D, and helps to stimulate collagen production within the skin.
—
Alessandra Signorelli, Vogue, 12 Sep. 2025
Eggs provide protein and key nutrients like choline, vitamin D, and folate.
—Amanda MacMillan, Health, 9 Sep. 2025
Fish Various types of fish contain protein, vitamin D, omega-3 fatty acids, and other essential nutrients after age 60.
—Brittany Lubeck, Verywell Health, 8 Sep. 2025
Provided by Lisa Healy/Instagram/@bymaiorova Today, Healy takes high doses of iron supplements, along with other nutrients such as B12, Omega 3 and 6, vitamin D, magnesium, and iodine.
—Lucy Notarantonio, MSNBC Newsweek, 7 Sep. 2025
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Alessandra Signorelli, Vogue, 12 Sep. 2025
Eggs provide protein and key nutrients like choline, vitamin D, and folate.
—Amanda MacMillan, Health, 9 Sep. 2025
Fish Various types of fish contain protein, vitamin D, omega-3 fatty acids, and other essential nutrients after age 60.
—Brittany Lubeck, Verywell Health, 8 Sep. 2025
Provided by Lisa Healy/Instagram/@bymaiorova Today, Healy takes high doses of iron supplements, along with other nutrients such as B12, Omega 3 and 6, vitamin D, magnesium, and iodine.
—Lucy Notarantonio, MSNBC Newsweek, 7 Sep. 2025
See All Example Sentences for vitamin D
Cite this Entry
“Vitamin D.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vitamin%20D. Accessed 14 Sep. 2025.
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