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General description	Non - essential amino acids that acts over glutathione.
Found	- beans - brewer yeast - broccoli - dairy products - eggs - fish, seafood - garlic - legumes - meat - nuts, onions - red pepper
Anti-aging role	- protect against heart disease - protect against cancer - boost immune system - promote metabolism of fats and production of muscle tissue - aid healing after surgery - promote hair growth, prevent hair loss - protecting against the damaging effects of radiation, acetaldehyde, acrolen, alcohol and enviromental pollutants - prevent colon cancer
Deficiency symptoms	- apathy - loss of pigmentation in hair - edema - lethargy - liver damage - muscle loss - skin lesion
Therapeutic doses	NAC: 250 - 1500 mg
Maximum safe level	Not established
Side effects	- may cause slow blood clotting - nausea, vomiting - diarrhea - fatigue - skin rash - eye irritability
Contraindications	- liver or kidney disease - diabetes - slow blood clotting - allergy to eggs, milk, wheat
Interactions	- nitroglycerin - cysteine supplements must be taken with vitamin C to prevent cysteine conversion to cystine which increases the probability of occurrence of kidney stones
Other remarks	- it's not recommended to take NAC at least 2 weeks before a scheduled surgery

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