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Presumably, ROS generated by peptide-conjugated PPIX is rapidly consumed by the Met residues (Met MetO) 41

Role of tryptophan in microbiota-induced depressive-like behavior: evidence from tryptophan depletion study

The authors concluded that the evidence supports supplementation with collagen peptides and micronutrients as an effective treatment for antiaging effects in skincare [49]

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As microbiome research progresses, a deeper understanding of its complex interactions with the immune system and other physiological processes will pave the way for more targeted, personalized microbiome-based treatments, which may eventually complement or replace conventional therapies for gastrointestinal diseases

Thus, high ALT levels indicate liver inflammation or disease