Alternatives to GLP-1 Drugs for Weight Loss

Introduction

While GLP-1 receptor agonists like Wegovy, Ozempic, Zepbound and Mounjaro have proven effective for weight loss, they may not be suitable or accessible for everyone. This article explores non-GLP-1 alternatives, including other prescription drugs, over-the-counter options, and lifestyle changes.


Phentermine-Based Medications

Phentermine is one of the most well-known appetite suppressants and has been in use for several decades. It can be prescribed alone or in combination with topiramate (Qsymia).

 

    • Mechanism of Action: Phentermine works by decreasing appetite and increasing energy expenditure.

    • Potential Side Effects: Phentermine is a stimulant and can cause side effects like increased heart rate, dry mouth, and insomnia.


Lifestyle Modifications

Lifestyle changes, although not pharmaceutical, play a critical role in weight management. These include:

 

    • Diet: Adopting a balanced, whole-food diet with controlled portion sizes.

    • Exercise: Regular physical activity, including aerobic and strength training exercises.

    • Behavioral Therapy: Incorporating behavior modification strategies to promote healthier eating patterns.


Other Prescription Medications

 

    • Orlistat (Alli, Xenical): Works by preventing the absorption of fat in the intestines. However, it may cause gastrointestinal side effects like diarrhea and abdominal discomfort.

    • Liraglutide (Saxenda): Another GLP-1 agonist but administered more frequently than Zepbound/Wegovy for weight loss purposes. It touts less weight loss benefit, but it may be covered by your pharmacy benefits.


Over-the-Counter Options

Certain OTC supplements claim to assist with weight loss. However, caution is advised due to variability in effectiveness and safety. Some examples include caffeine-based supplements, green tea extracts, and fiber-based products.


Conclusion

While GLP-1 drugs have proven highly effective, there are alternative prescription medications, lifestyle interventions, and OTC options that can be considered. Hopefully this info can jumpstart a conversation with your healthcare provider before starting any weight loss strategy to ensure it’s safe, effective and affordable for you.

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About Andrew

Hey! I’m Andrew Gilberto Vargas, a pharmacist and writer. I reflect on concepts that shape pharmacy benefits, drug access, leadership and meaning-making. Always curious, always learning.

Andrew Vargas, PharmD

About the Author

Andrew Vargas, PharmD is a Pharmacist practicing watchdoggery and founder of Pharmacist Write. He builds coverage intelligence tools and writes about what pharmacy benefits managers would prefer stayed invisible—turning policy into something patients, consultants, and purchasers can actually use.

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