Metformin vs Victoza

A side-by-side look at two diabetes medications advertised on TV. Informational only — not medical advice.

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Information reviewed July 24, 2026

US MetforminUS Victoza
Generic namemetforminliraglutide
Drug classBiguanideGLP-1 Receptor Agonist
TreatsType 2 diabetesType 2 diabetes
CategoryDiabetesDiabetes
ManufacturerVarious (generic)Novo Nordisk
Year approved19952010
FDA warningBlack box warningBlack box warning
Est. TV ad spend$2M
Common side effectsNausea, Diarrhea, Abdominal discomfort, Vitamin B12 deficiencyNausea, Diarrhea, Headache, Risk of thyroid C-cell tumors (boxed warning)

Frequently asked questions

Is Metformin or Victoza better?

Neither is universally "better." Metformin (metformin) and Victoza (liraglutide) are both used for diabetes, but the right choice depends on your medical history, insurance and your doctor's guidance. This comparison is informational only.

What's the difference between Metformin and Victoza?

Metformin is a Biguanide made by Various (generic), while Victoza is a GLP-1 Receptor Agonist made by Novo Nordisk. See the table above for a side-by-side breakdown.

Which one spends more on TV ads?

Metformin has the larger estimated TV advertising budget of the two.

TVPills

A reference tool to help identify prescription medications and supplements seen in television advertising. This is not medical advice. Always consult a healthcare professional.

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