Glucophage vs Wegovy: side-by-side comparison
Glucophage (Metformin) and Wegovy (Semaglutide) both belong to the Diabetes Treatment class. They share clinical context but use different active ingredients. The choice between them depends on mechanism nuances, side-effect profile and individual response.
| Property | Glucophage | Wegovy |
|---|---|---|
| Active ingredient | Metformin | Semaglutide |
| Manufacturer | Merck Serono | Novo Nordisk |
| Class | Diabetes Treatment | Diabetes Treatment |
| Strengths | 500mg, 850mg, 1000mg | 0.25mg, 0.5mg, 1mg, 1.7mg, 2.4mg |
| Forms | tablet, extended-release tablet | pre-filled pen |
What's the same
Glucophage and Wegovy both belong to the Diabetes Treatment class and are used for partially overlapping indications. The active ingredients — Metformin vs Semaglutide — share the same therapeutic approach, so many safety and management points carry across both.
Key differences
Meaningful differences are in active ingredient (Metformin vs Semaglutide), strengths (500mg, 850mg, 1000mg vs 0.25mg, 0.5mg, 1mg, 1.7mg, 2.4mg), forms (tablet, extended-release tablet vs pre-filled pen), and the mechanism, half-life and side-effect nuances that distinguish members of the class.
Mechanism and action
Glucophage: Metformin reduces hepatic glucose production through inhibition of mitochondrial complex I, which raises the cellular AMP/ATP ratio and activates AMP-activated protein kinase. Wegovy: Wegovy acts on the GLP-1 receptor in the central nervous system and gastrointestinal tract to reduce appetite, slow gastric emptying and increase satiety.
When Glucophage is preferred
The medication is indicated as first-line oral therapy in adults with type 2 diabetes mellitus, alone or in combination with other antidiabetic agents, including insulin.
When Wegovy is preferred
Wegovy is indicated as an adjunct to a reduced-calorie diet and increased physical activity for chronic weight management in adults with obesity (BMI 30 or higher) or with overweight (BMI 27 or higher) and at least one weight-related comorbidity such as hypertension, dyslipidaemi…
Frequently asked questions
Is Glucophage or Wegovy better? ▾
There is no single answer. Glucophage and Wegovy both belong to the Diabetes Treatment class but differ in mechanism nuances, half-life and side-effect profile. Preference depends on the patient, the prescriber and prior response to other therapies.
Can I switch from Glucophage to Wegovy? ▾
Switching within the Diabetes Treatment class is done under supervision, typically using equivalent doses and a follow-up period to confirm response and tolerance. It is not a self-directed decision.
Do Glucophage and Wegovy have the same side effects? ▾
They share many of the Diabetes Treatment class side effects, with differences from mechanism and dose. Each medication's prescribing information lists specifics.
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The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.