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it does not support a clinical recommendation, including for athletes with tendon injuries

Signals from the gut influence appetite, satiety, and energy balance through: The vagus nerve Hormonal signaling Microbial metabolites Key metabolic hormones produced or influenced by the gut include: GLP-1 (glucagon-like peptide-1) enhances insulin secretion and promotes satiety Peptide YY (PYY) signals fullness Ghrelin stimulates hunger When gut health is disrupted, these signals can become dysregulated, potentially contributing to overeating or impaired metabolic control

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Understanding this biological process helps explain why effective treatments must address melanin production at the cellular level rather than simply attempting to bleach or lighten the skin's surface