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Posted on Dec 30, 2005, 8 p.m.
By Bill Freeman
GENERAL DESCRIPTION: Tryptophan is an essential amino acid, it is obtained in the diet from bananas, beans, brewer
GENERAL DESCRIPTION:
Tryptophan is an essential amino acid, it is obtained in the diet from bananas, beans, brewer’s yeast, cottage cheese, dairy products, dates, eggs, fish, legumes, meat, milk, nuts, peanuts, protein (hydrolysis), seafood, seeds, soy, turkey, whey, whole grains.
ROLE FOR ANTI-AGING:
Tryptophan is required for the production of vitamin B3 (niacin), which is vital for the brain to manufacture serotonin. Tryptophan also boosts the release of growth hormones, and helps to suppress the appetite.
DEFICIENCY SYMPTOMS:
Signs and symptoms of tryptophan deficiency include: apathy, loss of pigmentation in hair, edema, lethargy, liver damage, muscle loss, fat loss, skin lesions, weakness, and slowed
growth in children
THERAPEUTIC DAILY AMOUNT:
Therapeutic doses range from 1.5-6g per day depending upon need.
MAXIMUM SAFE LEVEL:
Not established
SIDE EFFECTS/CONTRAINDICATIONS:
People taking monoamine oxidase inhibitors (MAO’s) should be cautious when taking tryptophan as it can increase the risk of CNS excitation. People with kidney disease or liver disease should consult their doctor before taking tryptophan.
