Metformin 1000mg

Generic For: Glucophage

Metformin (brand name Glucophage) is one of the most widely prescribed medications for type 2 diabetes, used alongside diet and exercise to help lower blood sugar. Metformin 1000mg tablets require a valid prescription. After a licensed provider reviews your information, your order ships from a licensed U.S. pharmacy.

Select Quantity *

100-day supply · $0.20/tablet

How It Works

  1. Select your medication
  2. Licensed providers review & prescribe
  3. Our licensed U.S. pharmacists fill your prescription
  4. Delivered to you as soon as the next day

Price: $20.00

HSA/FSA Eligible
Get Started

*Doctor visit fee & delivery cost not included in price. Refills at provider discretion.

Pharmacist Support Fast Shipping Licensed U.S. Pharmacy

Buy Metformin 1000mg Online

A biguanide medication for type 2 diabetes and blood sugar control

Metformin 1000mg Quick Facts

Drug classBiguanide antidiabetic
TreatsType 2 diabetes, high blood sugar control
FormTablet
Typical dosingTake 1 tablet by mouth once or twice daily.
Prescription requiredYes — prescription only

What Is Metformin 1000mg?

Metformin is an oral biguanide medication used to improve blood sugar control in adults and children 10 years and older with type 2 diabetes. It works by decreasing the amount of glucose your liver produces, reducing glucose absorption from food, and improving your body's response to insulin. Metformin is typically taken with meals and is used together with a healthy diet and regular exercise. It is available as the brand Glucophage and as a generic tablet.

What Does Metformin 1000mg Treat?

Type 2 diabetes mellitus in adults
Type 2 diabetes mellitus in children 10 years and older
Improving glycemic (blood sugar) control as an adjunct to diet and exercise
Use as monotherapy when diet and exercise alone are not enough
Use in combination with other antidiabetic medications or insulin

Metformin 1000mg Dosage

Adults: 1000 mg by mouth twice daily with meals (usual maintenance; titrated from a 500 mg starting dose).
Maximum: 2550 mg per day in divided doses.
Take with food to reduce stomach upset.

Your prescriber will determine the dose and duration that are right for you. Always follow the directions on your prescription label.

Metformin 1000mg Side Effects

Common side effects

  • Diarrhea
  • Nausea
  • Vomiting
  • Gas (flatulence)
  • Stomach upset or abdominal discomfort
  • Loss of appetite
  • Metallic taste
  • Headache

Serious side effects

Stop taking this medication and seek medical attention right away if you experience:

  • Lactic acidosis (muscle pain, trouble breathing, unusual tiredness, slow or irregular heartbeat)
  • Vitamin B12 deficiency with long-term use (numbness, tingling, anemia)
  • Hypoglycemia when combined with insulin or sulfonylureas
  • Severe allergic reaction (rash, swelling, difficulty breathing)
  • Signs of kidney problems (change in urination, swelling)

Warnings & Interactions

Boxed warning: risk of lactic acidosis, a rare but serious complication
Do not use with severe kidney impairment (eGFR below 30 mL/min/1.73 m²)
Do not use with metabolic acidosis or diabetic ketoacidosis
Temporarily stop before iodinated contrast imaging procedures as directed
Avoid excessive alcohol use, which increases lactic acidosis risk
Use caution with liver disease, heart failure, or dehydration
Monitor vitamin B12 levels with long-term use

Tell your prescriber about all medications, supplements, and health conditions before starting metformin 1000mg.

Talk to U.S.-Based Support

Our licensed pharmacy team in Boca Raton, Florida — real people, no overseas call centers.

Frequently Asked Questions

What is metformin used for?

Metformin is FDA-approved to improve blood sugar control in adults and children 10 years and older with type 2 diabetes. It is used together with diet and exercise and may be prescribed alone or with other diabetes medications.

Do I need a prescription for metformin?

Yes. Metformin is a prescription-only medication in the U.S. A licensed healthcare provider must review your health information and issue a valid prescription before it can be dispensed.

How does ordering and shipping work?

After you place your order and provide a valid prescription (or complete a provider review where available), our pharmacists verify the order. Your medication then ships discreetly from a licensed U.S. pharmacy.

How should I take metformin 1000mg?

Take metformin exactly as prescribed, typically with meals to reduce stomach upset. Do not change your dose without talking to your prescriber, and do not stop taking it without medical guidance.

What are the most common side effects of metformin?

The most common side effects are gastrointestinal, including diarrhea, nausea, gas, and stomach discomfort. These often improve over time, especially when the medication is taken with food.

Can I drink alcohol while taking metformin?

Excessive alcohol use should be avoided because it increases the risk of lactic acidosis, a rare but serious side effect. Talk to your provider about what level of alcohol use, if any, is safe for you.

Is Glucophage the same as metformin?

Yes. Glucophage is the brand name for metformin hydrochloride. Generic metformin contains the same active ingredient and is held to the same FDA standards.