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The causes can be broadly categorised into exogenous (external) and endogenous (internal) factors, with the latter being of greater clinical significance

It emerged from investigations into the role of gastric juice in the maintenance of gastrointestinal integrity and healing

10.1007/s12035-025-04703-0 61 LiY.JiangJ.LiJ.LiuS.WangC.YuZ.et al (2025b)

This underscores the need for close monitoring when combining QUE-containing supplements with drugs metabolized by P-gp or CYP3A4 (e.g., cyclosporine)

Research peptide vendors may state varying post-reconstitution stability windows, but these claims are not independently verified to the same standard

The mechanisms for the differences between preterm and term milk remain unknown