Cysteic Acid in Dietary Keratin is Metabolized to Glutathione and Liver Taurine in a Rat Model of Human Digestion.

Nutrients · 2016 · PMC4772066 · PMID 26907334

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did not reach statistical significanceno p-value reported

At the end of the study, both PEA and KER + CAS rats had lower proportional body fat than the CAS control rats, although this did not reach statistical significance.

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