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Side Effects of L-cysteine

04/05/2016 admin

L-cysteine is a proteinogenic amino acid contributing to building protein and includes the element sulphur. It is a white solid that is slightly soluble in water. It is common in many foods such as eggs, meat, dairy products, and whole grains as well as skin horns and hair. L-cysteine is a proteinogenic amino acid contributing to building protein and includes the element sulphur. 

 

General Side Effects

No significant side effects reported.

 

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Official Suggested Dosage

ADI: NOT LIMITED (Acceptable Daily Intake)

MTDI: NOT LIMITED (Maximum Tolerable Daily Intake)

Data Source: JECFA Database of WHO

 

L-cysteine is widely known as safe, there is no limit on dosage of intake. There is no proof showing that acquiring L-cysteine will do any harm to special groups, including newborns, children, pregnant, and other applicable vulnerable groups. It should be safe to use L-cysteine in food and beverages as a food additive without any side effects. However, we still recommend consumers to consult food ingredient experts before using large quantity of L-cysteine for long period of time. There may be some side effects in large dosage.

 

GRAS (Generally Recognized as Safe) Substances

Yes. L-cysteine is on FDA’s GRAS exemption list, it’s widely accepted and used as a safe food ingredient in many countries.

 

Sources and Related Researches:

https://en.wikipedia.org/wiki/Citric_acid https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=184.1033 http://pubchem.ncbi.nlm.nih.gov/compound/citric_acid