Research
Hormonal
Peripheral nutrient sensing mechanisms (taste, gut hormones like GLP-1, PYY, CCK, and signals from adipose tissue like leptin) provide critical feedback to the brain to regulate food intake and energy expenditure.
Understanding that hormones like GLP-1, PYY, and leptin signal satiety and energy status can help explain why certain foods (high fat/protein) trigger stronger satiety signals than others. Prioritizing foods that naturally stimulate these peripheral sensors (e.g., protein, fiber) may support natural homeostatic regulation.
StrongSupportsVERY_HIGH confidence
Key peripheral components are the gustatory system and the gastrointestinal tract, as well as the pancreas, liver, muscle, and adipose tissue... All these components are in intimate bidirectional communication with the brain through either neural connections provided by the autonomic nervous system, or hormones and metabolites.
Why this rating
Extensive evidence from animal and human studies is cited for each specific hormone and receptor.
Source
Central and Peripheral Regulation of Food Intake and Physical Activity: Pathways and Genes
Natalie R. Lenard et al. · Obesity · 2008
DOI 10.1038/oby.2008.511
narrative_reviewCited 333×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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