Dr. Benjamin H. Krasne, M.D.
Board-certified physicianBoard-certified in anesthesiology, he reads medications and metabolism with a pharmacologist's eye, which shapes how he doses weight loss and longevity care.
Metformin for healthy aging, prescribed online
Metformin for anti-aging, prescribed online
Metformin is a decades-old diabetes medicine that researchers are studying for healthy aging. A licensed clinician reviews your blood sugar, kidney function and goals before deciding whether off-label use suits you.
- $50 a month
- Lab-guided, low starting dose
- Free 5–10 minute consultation
Free to book. You pay only if you go ahead with treatment.
$50per month
Licensed U.S. clinician review
Visit: Phone or video, 5–10 minutes
$50/motransparent price
5–10 minphone or video
No insuranceneeded
LicensedU.S. clinicians
Why get metformin for anti-aging through My IV Doctors
Lab-based decisions
A licensed clinician reviews your blood sugar, kidney function and goals, and orders labs when needed, before deciding whether off-label metformin suits you.
Gentle start
Most plans begin with a low extended-release dose taken with dinner, then increase slowly to limit stomach side effects.
Evidence explained plainly
Your clinician tells you what metformin is proven to do for metabolic health and where the research on aging is still developing.
Ongoing monitoring
Follow-up visits cover dose changes and checks of kidney function, B12 and glucose markers, with messaging for side effect questions.
How to get metformin for anti-aging online
- 1
Pick a time for your free visit
Choose phone or video. In about 5–10 minutes, a licensed clinician talks through your goals, history and current medications.
- 2
Review or order labs
Your clinician needs a recent kidney function test and usually an HbA1c or fasting glucose result. If you do not have recent results, they can order them at a nearby draw site.
- 3
Start a low dose
If metformin is appropriate, the prescription goes to a licensed U.S. pharmacy. Most people start with a low dose of an extended-release tablet with the evening meal.
- 4
Adjust your dose and recheck labs
Your clinician raises the dose gradually if you tolerate it, then rechecks glucose markers, kidney function and B12 at set intervals.
Who metformin for anti-aging is for
Rising blood sugar or insulin
If your HbA1c, fasting glucose or fasting insulin has been creeping up, metformin may help alongside diet, exercise and sleep changes.
Family history of type 2 diabetes
A parent or sibling with type 2 diabetes raises your own risk, and some people want to discuss medication early rather than waiting.
Part of a broader longevity plan
Metformin is sometimes considered as part of a plan that also covers cholesterol, blood pressure and activity, rather than as a single answer.
Not for significant kidney disease
Metformin is not used when kidney function is very low and is generally not started when it is moderately reduced. Your clinician checks this with a blood test first.
Not for heavy drinking or liver disease
Heavy or binge drinking and liver problems raise the risk of lactic acidosis, a rare but serious side effect, so metformin is usually avoided.
Metformin for diabetes vs. metformin for anti-aging
| Use | FDA status | What the evidence shows |
|---|---|---|
| Type 2 diabetes | FDA-approved | Lowers blood sugar; decades of use |
| Insulin resistance | Off-label | Lowers fasting glucose and may modestly improve HbA1c |
| Healthy aging and longevity | Off-label | Still developing; no proven lifespan effect without diabetes |
What is metformin for anti-aging?
Metformin is FDA-approved to treat type 2 diabetes. It lowers blood sugar mainly by reducing how much glucose the liver releases and by helping the body respond better to insulin. It has been used for decades and is inexpensive as a generic. Its side effects are well understood.
Researchers became interested in metformin for aging after observational studies suggested that people with diabetes taking it had lower rates of some age-related diseases than expected. Lab studies also show it acts on cellular energy-sensing pathways linked to aging. Observational data can be misleading, though, and no completed large randomized trial has shown that metformin slows aging or extends life in people without diabetes.
Using metformin for longevity is therefore off-label. It tends to make the most sense for people whose labs already show early signs of insulin resistance, where improving blood sugar control is a reasonable goal on its own.
Metformin dosage for anti-aging
Stomach side effects are the main reason people stop metformin, so most clinicians start low. A common approach is 500 mg of an extended-release tablet with dinner, increased every week or two if you feel fine. Many people settle on a moderate daily dose, and your clinician will not push higher than your labs and comfort support.
Extended-release tablets often cause less stomach upset than immediate-release ones. Taking the dose with food also helps. If you feel unwell with vomiting, diarrhea or a high fever, or you become dehydrated, metformin is usually paused until you recover.
Metformin may blunt some of the fitness gains from exercise in certain people, according to small studies. If you train hard, mention it during your visit, since your clinician may consider this when deciding on timing or whether metformin suits you.
Metformin anti-aging benefits: what the evidence shows
In people with insulin resistance, metformin lowers fasting glucose and can modestly improve HbA1c. It does not usually cause low blood sugar when taken alone, and it is weight-neutral or associated with slight weight loss for many people.
What it has not shown, in people without diabetes, is a proven effect on lifespan. Treat it as a tool for metabolic health that may also have aging benefits, not as an anti-aging pill.
- FDA approval: type 2 diabetes
- Longevity use: off-label, evidence still developing
- Main monitoring: kidney function, B12, glucose markers
Metformin side effects and safety
Metformin is widely used and generally well tolerated, but it is not right for everyone. The FDA advises that it should not be used when kidney function (eGFR) is below 30 and is not recommended to be started when eGFR is between 30 and 45.
- Diarrhea, nausea, gas and stomach discomfort are common at first and often ease within a few weeks.
- Lactic acidosis is rare but serious; stop and seek care for unusual tiredness, trouble breathing, stomach pain or vomiting.
- Long-term use can lower vitamin B12 levels, so B12 is usually checked over time.
- Avoid heavy or binge drinking while taking metformin.
- You may need to pause metformin around imaging tests that use iodinated contrast dye; tell the imaging team you take it.
- Low blood sugar is more likely if metformin is combined with insulin or certain other diabetes drugs.
Physicians who oversee your care
Independently licensed U.S. physicians supervise every treatment we offer.
Dr. Johnathan Chance Miller, M.D.
PhysicianTrained at Columbia and Washington University, he pairs prescriptions with practical habits around food, training and sleep.
Dr. Vanessa Niles, R.N., M.D., F.A.C.O.G.
OB-GYN, board certifiedAn OB-GYN for more than 40 years and a Fellow of ACOG, she leads women's health care, from perimenopause to PCOS.
Metformin for anti-aging FAQs
Still deciding? The first consultation is free and takes about 5–10 minutes.
Book a free consultationDoes metformin have FDA approval for aging?
No. Metformin's FDA approval is for type 2 diabetes. Prescribing it for healthy aging is off-label, which a clinician may do when they judge it appropriate.
How much does metformin for anti-aging cost?
The program is $50 per month, and the first consultation is free. Insurance is not required. Any lab costs are explained before tests are ordered.
Does metformin slow aging?
It has not been proven. Interest comes from observational studies and lab research, and large randomized trials in people without diabetes have not yet reported results showing it slows aging.
What is the metformin dose for longevity?
Most people start with 500 mg of an extended-release tablet with dinner and increase slowly. The final dose depends on your labs and how well you tolerate it.
Can metformin cause low blood sugar?
On its own, metformin rarely causes low blood sugar. The risk rises if it is combined with insulin or drugs such as sulfonylureas, which is one reason your clinician reviews all your medications.
What are the most common metformin side effects?
Diarrhea, nausea, gas and stomach upset are the most common, especially early on. Starting low, using extended-release tablets and taking them with food usually helps.
Do I need blood tests to take metformin?
Yes. Kidney function must be checked before starting and periodically after. Your clinician will usually also track HbA1c or glucose and vitamin B12.
Does metformin lower vitamin B12?
Long-term metformin use can reduce B12 absorption in some people. Checking levels over time lets your clinician suggest a supplement if yours drop.
Can I drink alcohol on metformin?
Light drinking is usually acceptable, but heavy or binge drinking raises the risk of lactic acidosis. Talk with your clinician about your own intake.
Does metformin help with weight loss?
Some people lose a small amount of weight, but metformin is not a weight loss medication. If weight loss is a main goal, ask your clinician about options designed for that.
Can you take metformin with rapamycin or acarbose?
Some longevity plans do, since they act in different ways. Your clinician adds one medication at a time and uses your labs to judge whether a combination is worthwhile.
Does metformin reduce the benefits of exercise?
Small studies suggest metformin may reduce some fitness gains from training in certain people. If you exercise intensely, raise it with your clinician when deciding whether to start.
Who should not take metformin?
People with significantly reduced kidney function, liver disease, heavy alcohol use or conditions that raise lactic acidosis risk should not take it. Your clinician screens for these at the first visit.
Start metformin for anti-aging with a free consultation
Metformin is $50 a month, and your first 5–10 minute phone or video consultation is free. A clinician reviews your labs and goals before prescribing.
Related treatments
References
- MedlinePlus: Metformin
- FDA Drug Safety Communication: revised metformin warnings for reduced kidney function
- FDA: Understanding unapproved use of approved drugs off label
Medically reviewed October 2026. This page is general information and not a substitute for advice from your own clinician. Read our editorial policy.
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