Clinical trials of FDA-approved GLP-1 medications have shown average weight loss of roughly 15 to 20 percent over about a year, depending on the drug and dose
In preclinical animal studies on obese mice and rats, retatrutide led to body-weight reductions of 2030 % within 12 weeks, significantly stronger than semaglutide comparison groups
While food cannot replicate the potency or duration of GLP-1 medications, research suggests that the foods we choose at each meal can stimulate different amounts of GLP-1 release
Methodology This survey was commissioned by Sunlight.com in September 2025 and conducted through Pollfish
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Semaglutide is typically started at a low dose and titrated gradually upward to minimize side effects, which most commonly include nausea, mild digestive discomfort, and fatigue, particularly in the early weeks of treatment