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Social media is circulating a low-cost appetite hack — mixing unflavored gelatin powder in warm water and drinking it before meals — with influencers branding it a budget-friendly stand-in for prescription GLP-1 drugs like semaglutide.
New Jersey-based dietitian Erin Palinski-Wade says the drink does produce a short-term fullness effect, but the comparison to pharmaceutical-grade weight-loss medications is, in her words, like "calling a garden hose a fire hydrant." How the Gelatin Mechanism Works Once gelatin enters the stomach, the acidic environment causes it to thicken into a semi-gelled mixture.
That physical expansion stretches the stomach wall and sends satiety signals to the brain.
The protein content also triggers a gut hormone response that slows the rate of eating — a sequence that can meaningfully reduce calorie intake during a single meal. The effect is real, but narrow in scope.
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