Which Weight Loss Shot Wins?

A recent study published in the New England Journal of Medicine has provided new insights into the effectiveness of two leading weight-loss medications: Zepbound (tirzepatide) and Wegovy (semaglutide).

The Study at a Glance

In a 72-week clinical trial involving 751 adults with obesity but without diabetes, participants were administered either Zepbound or Wegovy. The results were telling:

  • Zepbound (Tirzepatide): Participants experienced an average weight loss of 20.2% of their body weight.

  • Wegovy (Semaglutide): Participants saw an average weight loss of 13.7% of their body weight.

This translates to an average difference of approximately 8 pounds in favor of Zepbound.

Understanding the Medications

Both Zepbound and Wegovy are injectable medications that mimic hormones involved in satiety regulation. However, Zepbound has a dual action, targeting two hormones (GLP-1 and GIP), which may contribute to its enhanced effectiveness in weight loss.

Considerations and Side Effects

While both medications have shown significant results, it's essential to consider potential side effects. Commonly reported issues include nausea and gastrointestinal discomfort. Additionally, some users of Zepbound reported more injection-site reactions compared to those on Wegovy.

The Bottom Line

For individuals seeking medical assistance in weight loss, Zepbound appears to offer a more substantial reduction in body weight compared to Wegovy. However, it's crucial to consult with healthcare professionals to determine the most appropriate treatment, considering potential side effects and individual health profiles.

Always consult with a healthcare provider before starting any new medication or treatment plan.

Dr. Marilyn Galindo

Board-Certified Physician Specializing in Internal and Obesity Medicine

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