nonessential amino acid
noun
: any of various amino acids that are required for normal health and growth, that can be synthesized within the body or derived in the body from essential amino acids, and that include alanine, asparagine, aspartic acid, cystine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine compare essential amino acid
Examples of nonessential amino acid in a Sentence
Recent Examples on the Web
Creatine is a nonessential amino acid found mostly in muscle.
—
Mary Choy, Verywell Health, 18 Apr. 2025
Creatine is a nonessential amino acid produced in the body from other amino acids.
—Mary Choy, Verywell Health, 18 Apr. 2025
Some nonessential amino acids, or those that are produced naturally within the body, play a role in protein farts.
—Angelica Bottaro, Verywell Health, 30 Jan. 2025
L-Theanine is a nonessential amino acid that promotes relaxation and attention.
—The Salt Lake Tribune, 25 May 2022
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Mary Choy, Verywell Health, 18 Apr. 2025
Creatine is a nonessential amino acid produced in the body from other amino acids.
—Mary Choy, Verywell Health, 18 Apr. 2025
Some nonessential amino acids, or those that are produced naturally within the body, play a role in protein farts.
—Angelica Bottaro, Verywell Health, 30 Jan. 2025
L-Theanine is a nonessential amino acid that promotes relaxation and attention.
—The Salt Lake Tribune, 25 May 2022
Cite this Entry
“Nonessential amino acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nonessential%20amino%20acid. Accessed 8 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share