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Thirai Sorgam > Diabetes > Metformin for Type 1 Diabetes: Pros and Cons
Diabetes

Metformin for Type 1 Diabetes: Pros and Cons

April 30, 2025 12 Min Read
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Metformin for Type 1 Diabetes: Pros and Cons
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Metformin is currently only approved by the US Food and Drug Administration (FDA) to treat type 2 diabetes, but some people with type 1 diabetes have been prescribed an appellant off metformin.

Why do people with type 1 diabetes want to take metformin?

Type 1 diabetes patients can prescribe metformin off labels (in a way not approved by the FDA) that help reduce insulin resistance (a condition in which the body does not use insulin efficiently), which helps to better manage blood glucose levels, and in some cases due to weight loss (usually the result of addressing insulin resistance).

Several clinical trials and meta-analyses have shown that taking metformin results in slight weight loss. This is not the most common reason why people are prescribed metformin, but this drug reduces appetite and is known to be a little metabolically efficient in the body, which can lead to weight loss over time.

Although trials have shown that HBA1C levels (a measure of glucose control over the past 2-3 months) do not change significantly for people with type 1 diabetes who start taking metformin, studies have shown that adding metformin to existing insulin regimens can reduce the amount of insulin people they need to take daily.

For people with type 1 diabetes, metformin is always used in combination with insulin therapy.

Can metohonin replace insulin?

that’s right do not have It is safe for people with insulin-dependent diabetes to try to replace insulin with metformin.

Insulin therapy is required to manage type 1 diabetes. This is because if you have type 1 diabetes, your pancreas produces little or no insulin.

Because this hormone is important for survival, it must be administered externally (via injection or infusion) to maintain normal blood glucose levels and allow the body’s cells to receive the glucose needed for energy.

Without insulin therapy, people with type 1 diabetes cannot regulate their blood sugar levels, leading to serious health complications. Therefore, insulin therapy is not just a treatment, but a life-supporting need for people with type 1 diabetes.

Metformin can significantly lower blood sugar levels, but it does not increase or restore the body’s ability to produce insulin.

It is important to consult your doctor about the medication you are taking to ensure that your prescription and care plan is up to date and to prevent unintended interactions.

But in any case, metformin can help you better manage your blood sugar levels, but the medications do not serve as an alternative to insulin.

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Do you take more insulin than taking metformin?

Neither insulin nor methorn is superior to others. Rather, they can work in a variety of ways to help lower blood sugar levels, and may be complementary in certain situations.

Metformin is an oral medication that comes in the form of a pill, either daily or twice a day. Metformin has many brands of metformin, along with a variety of combinations that contain metformin as one of the treatments.

There are also many types of insulin that are injected or administered (or under the skin) by an insulin pump (or under the skin) subcutaneously.

Pros and cons of metformin and insulin

Insulin is an essential hormone that helps enter the body’s cells as sugar from the blood is used as energy. A common problem is that insulin helps lower blood sugar levels faster than cans of metformin.

Metformin is thought to function by reducing the release of glucose from the liver and increasing muscle insulin sensitivity.

Despite its advantages, as with all medications, both methorn and insulin have drawbacks.

Insulin is a powerful hormone, and if taken too much, it can cause hypoglycemia (hypoglycemia).

Metformin can cause stomach discomfort, diarrhea and other digestive problems, especially when the dose is too large or when taken on an empty stomach.

Long-standing clinical trials have established that if metformin alone is not sufficient to manage blood glucose levels in patients with type 2 diabetes, combining it with insulin therapy is an effective method of improving control as measured by HBA1C.

People with type 1 diabetes do not produce their own insulin, so insulin therapy is need Metformin therapy is not the case for people with this condition.

However, since metformin and insulin work differently, researchers are investigating the potential utility of metformin in people with type 1 diabetes.

What happens when someone with type 1 diabetes takes metformin?

Meta-analysis published in the journal in 2017 Diabetes Over 15% of Scotland’s adults with type 1 diabetes showed metformin had been prescribed. Furthermore, in France, metformin is approved to treat both type 1 and type 2 diabetes.

The analysis, entitled “New Perspectives on Metformin Therapy in Type 1 Diabetes,” states, “Perhaps because of this compelling evidence in Type 2 diabetes, the use of blinded-off metformin in type 1 diabetes is very common in clinical practice.”

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This study found that type 1 diabetes patients who took methorn in addition to methorn experienced a significant decrease in the amount of insulin they needed to take daily (a reduction of 7 units per day) after adding metformin.

Subsequent research in 2018 strengthened these findings and showed net benefits for type 1 diabetes patients who added metformin to existing insulin regimens. The introduction of metformin has once again been shown to help reduce weight management and daily insulin needs, with slight improvements in blood pressure.

There were also some mild improvements in mean blood glucose levels, but these changes were not significantly different from the placebo group (inactive treatment).

Apart from gastrointestinal agitation, there were no serious metformin side effects reported from these studies.

As Dr. Leon Gussow pointed out in the Emergency Medical News, metformin has been in the spotlight in recent years for its benefits (the risk of death from any cause) in improving cardiovascular health, reducing inflammation and improving all-causal mortality.

However, Dr. Gussow should immediately note that the evidence base here is not human, but in mice and other experimental animals.

Nevertheless, off-label use to assert general health benefits is common and can be particularly useful for type 1 diabetes patients who are already at an increased risk of heart disease, stroke and early death.

Like all prescription drugs, metformin should only be taken under the guidance of a doctor or other medical professional, and your medical history and health goals will have a major impact on whether metformin prescriptions are likely to be useful.

FAQ

Does taking metformin increase the lifespan of type 1 diabetes?

There is limited evidence that taking metformin can prolong lifespan, but important clinical trials are ongoing to learn more. One of the biggest tests we are working to establish a fact-based basis on the effects of metformin on aging and lifespan is known as TAME (targeting aging with metformin).

For now, determining the effect of metformin on average life expectancy is not sufficient. This applies to both people with type 1 diabetes.

The best thing to do is rely on general guidance from your doctor to improve your health and increase your chances of living longer, such as keeping blood sugar levels within range, eating healthy diets, exercising adequately, managing stress, and avoiding dangerous behaviors such as smoking cigarettes.

See also  How to Measure Your A1c at Home

Why is metformin not used more frequently in type 1 diabetes?

Insulin therapy is absolutely necessary for type 1 diabetes patients to survive. Metformin, on the other hand, is usually considered an option in Type 1, and evidence of benefits for treating this condition is currently less powerful than in treatment for type 2 diabetes.

Does metformin immediately lower blood sugar levels?

No – Unlike insulin, which starts to lower blood sugar very quickly, metformin generally takes 2-5 days to lower the average blood sugar level.

Some people will not notice the effects of metformin for two weeks after starting the drug, but some will not see any effect at all.

It is important to note that if you stop taking metformin, the medication will remain in the system for about 4 days, so you will need to adjust your insulin dose when you start or stop the medication.

Can metformin combination drugs be used in people with type 1 diabetes?

The pancreas of type 1 diabetes cannot produce insulin, so drugs that combine metformin with other glucose-lowering drugs are ineffective in this condition.

What happens if you take metformin without becoming diabetic?

Even if you don’t have diabetes, there are many conditions and circumstances that may guarantee you to take metformin. These include conditions such as PCOS (polycystic ovarian syndrome) and prediabetes (a condition in which glucose levels are elevated but not high enough to cause diabetes).

Currently, various clinical trials are underway to investigate whether taking metformin daily provides health benefits to otherwise healthy individuals.

Animal testing has shown improvements in cardiovascular health, inflammation, and reductions in all-cause deaths, but these findings have been tentative so far and have not yet been widely demonstrated in people.

If you have type 1 diabetes, do you take metformin safely?

Metformin is generally understood to be extremely safe, but it is important to recognize that it carries the risk of side effects.

Metformin can cause stomach upset, vitamin B12 deficiency, hypoglycemia, and in most cases, lactic acid disease (a fatal and fatal accumulation of lactic acid in the bloodstream).

For these reasons, it is always important to work with your physician or medical team to understand the risks and benefits of metformin before taking it.

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