All About Amino Acids

Histidine
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Why histidine is good for you

Histidine is an essential amino acid, which is produced in adequate amounts by adults, but children may have a shortage. Histidine is required for the proper growth and repair of tissues. It is important for the maintenance of the myelin sheaths that protect nerve cells, and is needed for the production of both red blood cells and white blood cells. Histidine protects the body from radiation damage and assists in removing heavy metals from the body.

 

Important histidine facts

 

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Groups at risk of histidine deficiency

None known.

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Symptoms of histidine deficiency

None known.

 

Histidine and health

Talk to a medical professional about histidine supplements BEFORE taking them

 

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Histidine in food

FOOD AMOUNT
Histidine
(mg)
Lean round beef
450g
4607
Lean leg of veal
450g
4585
1/2 turkey breast - no skin
306g
2870
Tuna, canned in oil
1 can (171g)
1467
Chicken breast, meat only
100g
1348
Snapper, cooked
1 fillet (170g)
1316
Halibut, cooked
1/2 fillet (159g)
1250
Pork loin chops
100g
1244
Canned tuna - in water
1 can (171g)
1239
Lean veal sirloin, cooked
100g
1233
Romano cheese
100g
1231
King mackerel, cooked
1/2 fillet (154g)
1178
:Lean veal shank, cooked
100g
1170
Lean beef, top round, cooked
100g
1153
Gruyere cheese
100g
1117
Ling, cooked
1 fillet (159g)
1110
Lean shoulder lamb, cooked
100g
1082
Swiss cheese
100g
1065

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Histidine recommended daily intake (RDI)

RDA 33mg/kg weight (infants)
8-10mg/kg weight (adults)
 
TOLERABLE UPPER LIMIT No information available
 
TOXIC LEVELS No information available

 

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Histidine works best with

 

Overdosage, toxicity and cautions for histidine

There are no reported side effects with histidine, but histidine levels that are too high may lead to stress - people with schizophrenia have been found to have high levels of histidine in their bodies.

CAUTIONS

Persons with manic (bipolar) depression should NOT take supplemental histidine unless a deficiency has been identified

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references

 

Last reviewed: 11 January 2007 || Last updated: 26 September 2007

 

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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