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Certain probiotic strains direct mucosal immune activity by inducing the secretion of key cytokines and B-cell growthpromoting factors, including interleukin-4 (IL-4), interleukin-5 (IL-5), and interleukin-13 (IL-13) (215, 244)

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Even in lyophilized form, peptides can slowly oxidize when stored in air-filled vials over extended periods

Why It Is Not an Exercise Replacement Exercise improves metabolic health through several layers, including muscle demand, vascular function, nervous system regulation, and tissue-level adaptation