GLP-1 drugs reshape eating habits—and food waste patterns

A new study in the journal Nutrients has explored how anti-obesity drugs like GLP-1s affect food waste habits. Researchers surveyed US consumers to understand whether these medications change what people eat—and how much they throw away. The findings suggest a shift in both diet and waste patterns among users. The study revealed that 25% of those on GLP-1 drugs admitted to wasting more food since starting treatment. However, 61% disagreed with this claim. The drugs appeared to influence eating habits, with users consuming more vegetables, fish, and healthy fats. At the same time, they cut back on alcohol, dairy, sweets, and carbohydrates.

Prepared foods, especially restaurant meals, ranked as the second-most wasted category. While GLP-1 users dining out may leave larger portions uneaten, the research also found that longer use of these medications led to less food waste overall. This could be linked to increased vegetable intake, which tends to spoil less quickly than processed or perishable items. The study suggested that restaurants might adapt by offering smaller portion sizes. This change could better suit GLP-1 users while reducing waste. Additionally, those on the medication may spend less on dining out, saving money in the process.

The research highlights a potential link between GLP-1 drugs and reduced food waste over time. Users may benefit from healthier diets and lower spending on meals outside the home. Meanwhile, restaurants could see new demand for smaller, more tailored portions.