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Research peptide quality varies significantly between suppliers

Incorrect preparation of injectable peptides risks overdose, underdose, microbial contamination, injection-site infection, and anaphylaxis

Although the exact mechanism of how this is achieved remains unknown, the authors emphasize the potential ability of GLP-1 to protect the central nervous system [57]

The vagus nerve relays information regarding a meal to the brain to regulate both energy and glucose homeostasis 13

6 For adults with heart disease and obesity or overweight, along with a reduced-calorie diet and increased physical activity

As demand for weight-loss drugs rises, states grapple with Medicaid coverage Thirteen states cover GLP-1 drugs through their Medicaid programs, and others are considering following suit (Mario Tama/Getty Images)