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Supplements » L-cysteine
 

L-cysteine

L-cysteine

L-cysteine: L-cysteine is a modified form of cysteine, one of a number of nonessential amino acids, which make up the foundation and structure of protein in the body and have many important functions. L-cysteine is available in supplements, such as tablets, sprays, and liquids, and capsules.

Adequate Amounts Claimed As Beneficial For Conditions: L-cysteine

Adequate amounts of L-cysteine are claimed to be potentially beneficial for:

Adequate Amounts Claimed As Preventative For Conditions: L-cysteine

Adequate amounts of L-cysteine are claimed to be potentially preventative for:

Toxicity/Overdose Risks For Supplement Or Excessive Intake: L-cysteine

Excessive intake of L-cysteine may involve the following risks:

  • Toxicity in some forms of cysteine, including D-cysteine, D-cystine, and 5-methyl cysteine
  • Nausea
  • Vomiting
  • Diarrhea
  • Hart disease
  • Toxicity leading to death
  • Seizures
  • Supplements not recommended for people with kidney disease
  • Taking one type of amino acid for extended periods may affect the balance and function of others
  • Possible allergic reaction in some people
  • Possible interactions with other supplements and medications
  • Consult with your healthcare provider before using any supplements, herbal remedies, and alternative therapies

L-cysteine: Other Names

Other names for this supplements (L-cysteine) include:

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