Adequate biotin levels can help minimize brittleness in nails, support strong hair growth, and promote a smoother, healthier-looking complexion
In the U.S., about 6% of adults currently use GLP-1s, and 12% have used them in the past (2024 data) (Mozafariun 2025)
"This is what's called a second meal effect," says Edward Deehan, a nutritional microbiologist at the University of Nebraska-Lincoln
Final Thoughts As interest in GLP-1 supplements grows alongside the rising popularity and cost of GLP-1 medications like semaglutide, its important to approach these products with extreme caution and a clear understanding of what they can and cannot do
Why does semaglutide cause a red injection site reaction
Thus, careful monitoring during the first weeks of GLP-1 therapy is critical