1. tryptophan

noun. an amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin.


  • tryptophane


  • Tryptophan (German)

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Sentences with tryptophan

1. Noun, singular or mass
Your body is unable to store excess amino acids, and you must get a fresh supply of tryptophan and all other essential amino acids every day.

2. Verb, non-3rd person singular present
Insulin, however, clears those amino acids away so they absorb into the body and leaves tryptophan alone so it can move on the pathway to the brain 1.

3. Noun, plural
You can also add more tryptophan to your diet with chicken, milk, tuna, oats, peanuts, cheddar cheese, bananas and dark chocolate.

4. Adjective
The risk of serotonin syndrome increases as the dose of Effexor is increased or when used with other classes of drugs that elevate serotonin levels, such as tryptophan 5.

5. Verb, base form
Your body can convert tryptophan into niacin, a member of the B-complex family of vitamins that collectively facilitate the conversion of the food you eat into the energy your body needs to function normally.