: a basic compound C5H14NO that is found in various foods (such as egg yolks and legumes) or is synthesized in the liver, that is a component of lecithin and a precursor of acetylcholine, and that is essential to the metabolism of fat in the liver and is usually included in the vitamin B complex
Examples of choline in a Sentence
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Eggs Eggs are a good source of protein, choline, and vitamin A.
—
Elizabeth Barnes, Verywell Health, 4 Mar. 2025
One specific recommendation involved taking choline and vitamin B5 in order to reduce cognitive decline, combat high blood pressure and reduce the buildup of toxic metabolic byproducts.
—Richard Gunderman, The Conversation, 24 Feb. 2025
Eggs Eggs contain choline, which is needed to produce acetylcholine, a neurotransmitter involved in memory, mood, and other brain functions.14 Tryptophan in eggs may improve perceptual motor skills, speed, and attention.
—Sohaib Imtiaz, Verywell Health, 22 Jan. 2025
Eggs provide high-quality protein, choline, and antioxidants like lutein and zeaxanthin.
—Johna Burdeos, Health, 21 Jan. 2025
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Elizabeth Barnes, Verywell Health, 4 Mar. 2025
One specific recommendation involved taking choline and vitamin B5 in order to reduce cognitive decline, combat high blood pressure and reduce the buildup of toxic metabolic byproducts.
—Richard Gunderman, The Conversation, 24 Feb. 2025
Eggs Eggs contain choline, which is needed to produce acetylcholine, a neurotransmitter involved in memory, mood, and other brain functions.14 Tryptophan in eggs may improve perceptual motor skills, speed, and attention.
—Sohaib Imtiaz, Verywell Health, 22 Jan. 2025
Eggs provide high-quality protein, choline, and antioxidants like lutein and zeaxanthin.
—Johna Burdeos, Health, 21 Jan. 2025
See All Example Sentences for choline
Cite this Entry
“Choline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/choline. Accessed 12 Mar. 2025.
Copy CitationKids Definition
choline
noun
cho·line
ˈkō-ˌlēn 
: a vitamin of the vitamin B complex that is widely distributed in animal and plant products (as eggs and beans) and is necessary for the activities of the liver
Medical Definition
choline
noun
cho·line
ˈkō-ˌlēn
: a basic compound C5H14NO that is found in various foods (as egg yolk and legumes) or is synthesized in the liver and that is a component of lecithin, is a precursor of acetylcholine, and is essential to liver function
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