nonessential

nonessential definition - medical

non·es·sen·tial (nŏnˌĭ-sĕnˈshəl)

adjective
Being a substance required for normal functioning but not needed in the diet because the body can synthesize it.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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