Pros and Cons for GLP-1

Pros:

Weight Loss: Many people experience 10–20% body-weight reduction when combined with a healthy diet and physical activity.

Improved Blood Sugar Control: GLP-1 drugs help the body release insulin only when needed and reduce excess glucose output, lowering A1C levels.

Lower Risk of Heart Disease: Some medications (like semaglutide and liraglutide) are shown to reduce risk of major cardiovascular events in people with type 2 diabetes.

Reduced Appetite and Cravings: They slow digestion and signal fullness, helping people naturally eat less without constant hunger.

May Improve Blood Pressure and Cholesterol: Modest improvements in blood pressure, triglycerides, and HDL cholesterol are common secondary benefits.

Cons:

Gastrointestinal Side Effects: Nausea, vomiting, bloating, and constipation are common—especially when starting or increasing the dose.

Cost and Insurance Coverage: These medications are often expensive ($900–$1,300/month) and may not always be covered by insurance for weight management.

Potential Serious Risks: Rare cases of pancreatitis, gallbladder disease, or thyroid tumors (in animals) have been reported. Anyone with certain thyroid or endocrine conditions should avoid them.

Possible Muscle or Lean Mass Loss: Rapid weight loss may reduce both fat and muscle if protein intake and resistance exercise aren’t maintained.

Need for Ongoing Use: Weight tends to return when medication is stopped unless long-term nutrition and lifestyle changes are sustained.

Injection b: Most GLP-1 drugs are injectable requiring a shot once day or once a week although they have a pen format to make it easier

May Affect Digestion or Medication Absorption: Slower gastric emptying can alter how other drugs (like birth control pills or pain meds) are absorbed.

Source:

Source: Manufacturer’s websites Ozempic®, Wegovy®, Mounjaro®, Trulicity®, and Saxenda®, FDA.gov