Metformin is a first-line prescription oral medication used to manage blood sugar levels in people with type 2 diabetes.
- Lowers blood sugar: It reduces the amount of glucose (sugar) released by your liver.
- Improves sensitivity: It helps your muscle and fat cells use insulin more effectively.
- Slows absorption: It decreases how much sugar your gut absorbs from food.
- Off-label uses: Doctors sometimes prescribe it for polycystic ovary syndrome (PCOS) or prediabetes.
- Take with food: Always take metformin with a meal to prevent stomach upset, nausea, and diarrhea.
- Start low: Doctors usually start you on a low dose (like 500 mg) and increase it slowly over several weeks.
- Swallow whole: Swallow regular or extended-release tablets whole with water. Do not crush or chew them.
- Common stomach issues: Nausea, gas, cramping, and loose stools are very common when starting out or raising the dose. These often improve over a few weeks.
- Vitamin B12 drop: Long-term use can lower vitamin B12 levels, which can lead to fatigue or nerve tingling. Ask your doctor to check your levels.
- Lactic acidosis: This is a rare, serious buildup of acid in the blood. It is mainly a risk for people with severe kidney or liver problems, heavy alcohol use, or during certain medical scans with contrast dye.
- Are you taking it for type 2 diabetes or PCOS?
- Are you experiencing any side effects?




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