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
Recent Examples on the Web
Unless the diet is carefully optimized, additional sources of B12, calcium, iron, zinc, iodine and vitamin D may be needed to avoid a deficiency, according to the Mayo Clinic.
—
Cnn.com Wire Service, The Mercury News, 15 May 2024
Ultimately, Harmon ended up being diagnosed with a vitamin D deficiency and Polycystic Ovary System (PCOS).
—Rayna Reid Rayford, Essence, 14 May 2024
Add these foods that contain vitamin D to your next grocery shopping list.
—Karla Walsh, Better Homes & Gardens, 9 May 2024
For example, one softgel per day has 800 mcg of folic acid, 1,000 IU of vitamin D, and 100% of daily pregnancy iron needs.
—Lainey Younkin, Ms, Rd, Parents, 6 May 2024
This benefit is less pronounced if vitamin D levels are already normal, which a blood test can determine.
—Casey Seiden, Verywell Health, 3 May 2024
However, vitamin D may be helpful for people with gestational diabetes or with type 2 diabetes who are dealing with depression.
—Casey Seiden, Verywell Health, 3 May 2024
The American Academy of Pediatrics (AAP) does have supplemental recommendations for both vitamin D and iron for babies but as individual supplements (or through formula), not a multivitamin.
—Dahlia Rimmon, Parents, 1 May 2024
Dairy milk is an important source of protein, calcium, vitamin D and other nutrients.
—Clare Mulroy, USA TODAY, 21 Apr. 2024
Cnn.com Wire Service, The Mercury News, 15 May 2024
Ultimately, Harmon ended up being diagnosed with a vitamin D deficiency and Polycystic Ovary System (PCOS).
—Rayna Reid Rayford, Essence, 14 May 2024
Add these foods that contain vitamin D to your next grocery shopping list.
—Karla Walsh, Better Homes & Gardens, 9 May 2024
For example, one softgel per day has 800 mcg of folic acid, 1,000 IU of vitamin D, and 100% of daily pregnancy iron needs.
—Lainey Younkin, Ms, Rd, Parents, 6 May 2024
This benefit is less pronounced if vitamin D levels are already normal, which a blood test can determine.
—Casey Seiden, Verywell Health, 3 May 2024
However, vitamin D may be helpful for people with gestational diabetes or with type 2 diabetes who are dealing with depression.
—Casey Seiden, Verywell Health, 3 May 2024
The American Academy of Pediatrics (AAP) does have supplemental recommendations for both vitamin D and iron for babies but as individual supplements (or through formula), not a multivitamin.
—Dahlia Rimmon, Parents, 1 May 2024
Dairy milk is an important source of protein, calcium, vitamin D and other nutrients.
—Clare Mulroy, USA TODAY, 21 Apr. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'vitamin D.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Vitamin D.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vitamin%20D. Accessed 20 May. 2024.
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