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Tryptophan, L-Tryptophan


Tryptophan

Metabolism
carcinoid syndrome - some tumors make excessive amounts of serotonin
which depletes tryptophan
Hartnup's disease - ineffective absorption of tryptophan

Functions
precursor to serotonin, melatonin and niacin
needed for proper brain function

Requirements
RDA - 200 mg qd

Sources
cottage cheese, beef liver, peanuts, turkey, tuna

Deficiency
pellagra, depression, insomnia and suicidal thoughts

Therapeutics
insomnia, depression, mental disorders, schizophrenia
pain
anorexia and bulemia, appetite suppression
PMS, migraines

Toxicity
low toxicity
associated with eosinophilia myalgia (allergic reaction)



 

 

 

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