hepatic glutathione status Data summary: IL-4 regulates levels in the liver and lung Hepatic Biotransformation of Renal Clearable

Acknowledgments The authors would like to express their sincere gratitude to Hao Wang, Cankun Zhou, Yonglian Chen, Jun Lyu, Minqing Feng, and Xiaobin Huang for their valuable contributions to the early stages of this work and for their collaborative support throughout the research process

Examples of conditional amino acids include: Arginine supports blood circulation and immune health Cysteine important for detoxification and antioxidant production Glutamine supports gut health and immune function Tyrosine helps produce hormones and brain chemicals Glycine supports collagen production and skin health Proline important for joint and skin structure These amino acids are particularly important for healing, recovery, and maintaining healthy tissues

Preparation of oxidized KGM OKGM was prepared according to the literature with minor modifications [37]

Research findings suggest that collagen peptides, small pieces of animal collagen, help improve skin hydration and skin elasticity