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Description: Cystine is a dimeric amino acid formed by two cysteine molecules connected by a disulfide bond. Cystine is more stable than cysteine. For other uses of cystine see cysteine and N-acetylcysteine.

Oral Uses

  • Alcohol addiction RatingRating

    Cystine prevents liver damage against alcohol intake. Take 0.5-1.5 g of cystine daily, in divided doses, for many months.

  • Bronchitis RatingRating

    Cystine breaks down nucus deposits; alleviates symptoms. Take 0.5-1.5 g of cystine daily, in divided doses, for many months.

  • Burns RatingRating

    Cystine accelerates tissue healing and tissue regeneration. Take 0.5-1.5 g of cystine daily, in divided doses, for many months.

  • Cystic fibrosis RatingRating

    Cystine breaks down nucus deposits; alleviates symptoms. Take 0.5-1.5 g of cystine daily, in divided doses, for many months.

  • Dandruff RatingRating

    Cystine improves and supports skin health; reduces dandruff. Take 1.0-1.5 g of cystine daily, in divided doses, for many months.

  • Kidney stones RatingRating

    Cystine prevents kidney stone formation. Take 0.5-1.5 g of cystine daily, in divided doses, for many months.

  • Nicotine addiction RatingRating

    Cystine protects the body against cigarette smoke. Take 0.5-1.5 g of cystine daily, in divided doses, for many months.

Oral Actions

Recommended Dosage

Take 0.5-1.5 g of cystine daily, in divided doses, for many months.

Cautions & Side Effects

Safety problems are unknown if used as suggested. Overdose may produce nausea. Do not use it if you have cystinosis or fanconi syndrome. Use it with caution if you are diabetic or if you have a medical history of kidney stones in the family. Safety in pregnant and nursing women, in children and people with liver or kidney disease is unknown.

Available Forms

Cystine is available in tablet and capsule form.

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