All About Amino Acids

Tyrosine
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Why tyrosine is good for you

Tyrosine is a non-essential amino acid which is helpful in the proper functioning of the thyroid, pituitary and adrenal glands. It also assists in reducing body fat and suppressing the appetite and ensuring healthy production of skin and hair pigment. Tyrosine is also used for stress reduction and may be beneficial in narcolepsy, fatigue, anxiety, depression, allergies, headaches as well as drug withdrawal.

 

Important tyrosine facts

 

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Groups at risk of tyrosine deficiency

Deficiency is rare, but can occur in the following individuals:

People in these groups at risk of tyrosine deficiency should talk to a medical professional about tyrosine supplementation.

 

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Symptoms of tyrosine deficiency

General deficiency symptoms are:

A major deficiency in tyrosine may may result in hypothyroidism - an enlargement of the thyroid gland (goiter), severe growth failure, and retardation of central nervous system development.

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Tyrosine and health

Talk to a medical professional about tyrosine supplements BEFORE taking them

 

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Tyrosine in food

FOOD AMOUNT
Tyrosine
(mg)
Gruyere cheese
100g
1776
Romano cheese
100g
1776
Swiss cheese
100g
1693
Tuna, canned in oil
1 can (171g)
1681
Snapper, cooked
1 fillet (170g)
1510
Soybeans, dry roasted
100g
1497
Chicken breast meat, roasted
1 cup (140g)
1466
Edam cheese
100g
1457
Halibut, cooked
1/2 fillet (159g)
1433
Mozzarella, part skim
100g
1403
Mackerel, cooked
1/2 fillet (154g)
1352
Goats cheese, hard
100g
1191
Turkey breast meat, roasted
100g
1188
Lean veal leg, cooked
100g
1170
Lean round beef, cooked
100g
1151
Lean shoulder lamb, cooked
100g
1148
Goose meat, cooked
100g
1103
Lean pork loin chops, cooked
100g
1085

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Tyrosine recommended daily intake (RDI)

RDA No information available
 
TOLERABLE UPPER LIMIT 400-6000mg
 
TOXIC LEVELS No information available

 

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Tyrosine works best with

 

Overdosage, toxicity and cautions for tyrosine

There have been no confirmed toxic levels, but the following cautions should be noted.

CAUTIONS

The following groups of people should NOT take tyrosine supplementation (and should aim to limit their intake of food sources high in tyrosine):

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references

 

Last reviewed: 05 May 2012 || Last updated: 05 May 2012

 

NOTE: Mega doses of vitamins, minerals or other nutrients cannot cure illnesses and in fact can be very dangerous and produce toxic side effects and interfere with medicine you are taking. Always ensure you consult your doctor before taking any type of amino acid supplement.
Disclaimer: This guide is not intended to be used for diagnostic or prescriptive purposes. For any treatment or diagnosis of illness, please see your doctor.

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