Research

Hormonal

Peripheral administration of PYY3-36 reduces food intake and 24-hour caloric intake in both normal-weight and obese humans.

Your body naturally releases PYY after eating to signal fullness. In obesity, this signal is often weaker. Research shows that replacing or boosting this hormone can effectively reduce appetite and calorie intake, even in obese individuals, suggesting that targeting this pathway is a viable strategy for weight management.

GoodSupportsHIGH confidence
peripheral infusion of PYY3-36 reduced appetite and 24 h caloric intake (Batterham et al. 2002)... obese subjects remained sensitive to the anorectic actions of PYY3-36 (Batterham et al. 2003).
Efthimia Karra et al. · The Journal of Physiology · 2008

Why this rating

Multiple human studies (Batterham 2002, 2003, le Roux 2006) and rodent studies are cited showing consistent anorectic effects.

Source

The role of peptide YY in appetite regulation and obesity

Efthimia Karra et al. · The Journal of Physiology · 2008

DOI 10.1113/jphysiol.2008.164269

narrative_reviewCited 318×
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DOI resolved against Crossref · corpus check 2026-06-10

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