All About Amino Acids

Cystine
   print page print the page   Email email the page Follow VitalHealthZone on Twitter Bookmark and Share

 

 

 

 

Why cystine is good for you

Cystine is a non-essential amino acid, formed from methionine and is required for proper vitamin B6 utilisation. It is also helpful in the healing of burns and wounds and helps break down mucus deposits in illnesses such as bronchitis and cystic fibrosis.

 

Important cystine facts

 

^ top

 

Groups at risk of cystine deficiency

Deficiency of cystine is rare, as it is found in so many protein foods, although in patients with chronic diseases, the synthesis of cystine from methionine appears to be prevented and could result in a deficiency. People in these groups at risk of cystine deficiency should talk to a medical professional about cystine supplementation.

Advertisement

 

^ top

 

Symptoms of cystine deficiency

None reported.

 

Cystine and health

Talk to a medical professional about cystine supplements BEFORE taking them

 

^ top

 

Cystine in food

FOOD AMOUNT
Cystine
(mg)
Clams mixed species
20 small (190g)
2166
Lean round Beef
450g
1864
Lean leg of Veal
450g
1426
1/2 Turkey breast - no skin
306g
958
1/2 Chicken - no skin
329g
902
Snapper
1 fillet (170g)
479
Atlantic cod
1 fillet (180g)
441
Northern pike
1/2 fillet (155g)
411
Ling
1 fillet (151g)
394
Lobster
1 cup (145g)
334
Yellow fish tuna
100g
321
Alaskan king crab
1 leg (172g)
291
Blue crab
1 cup (118g)
267
Pacific cod
1 fillet (90g)
221
Whiting
1 fillet (72g)
181
Mozzarella, part skin
100g
144
Cottage cheese, 2% fat
100g
127
Bacon, pan-fried
28g
119

Advertisement

 

^ top

 

Cystine recommended daily intake (RDI)

RDA No information available
 
TOLERABLE UPPER LIMIT No information available
 
TOXIC LEVELS No information available

 

^ top

 

Cystine works best with

 

Overdosage, toxicity and cautions for cystine

Diabetic patients should be careful when taking cystine supplementation, as it could inactivate their insulin medication

Follow VitalHealthZone on Twitter Bookmark and Share

 

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.

^ top