Weight loss injections are FDA-approved prescription medications that help manage obesity by regulating appetite and metabolism. These medications are typically injectable forms of GLP-1 receptor agonists, which mimic natural hormones to reduce hunger and promote satiety.
Weight loss injections primarily target the glucagon-like peptide-1 (GLP-1) receptors in the body. GLP-1 is a hormone that is important for appetite regulation and glucose metabolism. When activated, these receptors signal the brain to reduce hunger and increase feelings of fullness., these medications slow gastric emptying, helping individuals feel full longer and consume fewer calories.
The most common types of weight loss injections are GLP-1 receptor agonists. These include:
These medications are administered via subcutaneous injection, usually once weekly. They are designed to be used alongside a reduced-calorie diet and increased physical activity for best results.
One common misconception is that weight loss injections are a quick fix for weight loss. In reality, these medications are most effective when combined with lifestyle changes, including a balanced diet and regular exercise. Another misconception is that these injections are suitable for everyone. They are specifically approved for individuals with a body mass index (BMI) of 30 or higher, or a BMI of 27 or higher with at least one weight-related condition.
For instance, semaglutide (Wegovy) has been shown in clinical trials to help individuals achieve significant weight loss. In a study published in the New England Journal of Medicine, participants using semaglutide experienced an average weight loss of 14.9% of their body weight over 68 weeks, compared to 2.4% in the placebo group. This highlights the potential effectiveness of these medications when used as directed.