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liposomal and peptide forms show improved oral bioavailability compared to standard reduced glutathione, which degrades significantly in the digestive tract

It uses glutathione in a process called Phase II detoxification

The Journal of Neural Transmission 2003

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However, those with specific autoimmune conditions (particularly psoriasis or rosacea, where LL-37 is naturally overexpressed locally) should consult with their healthcare provider, as adding exogenous LL-37 could potentially exacerbate hyper-immune responses in those highly specific contexts