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Can Type 2 Diabetes Be Reversed? What the Evidence Really Says

 

 

 

 

Can type 2 diabetes really be reversed?

 

If you've recently been diagnosed with type 2 diabetes, you may have wondered whether it's possible to get your blood sugar back to normal and no longer need diabetes medication.

 

Perhaps you've even seen someone online claiming they completely reversed their diabetes through diet or exercise.

But is it really possible?

 

The answer is yes... some people with type 2 diabetes can achieve remission.

 

This means their blood sugar levels have improved enough to fall below the diabetes range without taking glucose-lowering medication.

 

However, remission isn't guaranteed, and it doesn't mean diabetes has been permanently cured.

 

So, what does the evidence actually say? And what can you do if you're hoping to achieve remission?

 

Let's find out.

 

 

What Does It Mean to Reverse Type 2 Diabetes?

 

When people talk about reversing type 2 diabetes, they're usually referring to diabetes remission.

 

Remission means your blood sugar has improved to the point where it is no longer in the diabetes range, without the help of glucose-lowering medication.

 

Healthcare professionals generally define remission as having an HbA1c below 6.5% (48 mmol/mol) for at least three months without glucose-lowering medication.

 

HbA1c is a blood test that gives an indication of your average blood sugar levels over the previous two to three months.

 

For example, someone diagnosed with type 2 diabetes might initially have an HbA1c of 8.0% (64 mmol/mol).

 

After making changes to their lifestyle and receiving appropriate support, their HbA1c might fall to 6.0% (42 mmol/mol) without glucose-lowering medication.

 

If this improvement is maintained for the required period, they may meet the criteria for remission.

 

But here's something important to remember:

 

Remission doesn't mean diabetes has disappeared forever. Blood sugar levels can rise again.

 

We'll explore this in more detail in our next article, Diabetes Remission vs Cure: What's the Difference?

 

 

How Can Type 2 Diabetes Go Into Remission?

 

Type 2 diabetes develops when the body struggles to use insulin effectively or cannot produce enough insulin to keep blood sugar within a healthy range.

 

Insulin is the hormone that helps control blood sugar.

 

In some people, excess fat stored around organs such as the liver and pancreas can make it harder for the body to manage blood sugar.

 

Losing a substantial amount of weight can sometimes reduce this fat and help the body respond better to insulin.

 

As a result, blood sugar levels may improve enough for diabetes to go into remission.

 

However, this doesn't happen for everyone.

 

How long someone has had diabetes, their genetics and how well their body can still produce insulin may all influence their chances of achieving remission.

 

 

What Does the Research Say?

 

One of the most important studies on type 2 diabetes remission is the UK DiRECT trial.

 

Researchers wanted to find out whether a structured weight-loss programme could help people with relatively recently diagnosed type 2 diabetes achieve remission.

 

Participants followed a supervised low-calorie diet, followed by support to gradually return to everyday meals and maintain their weight loss.

 

The results were encouraging.

 

After one year, 46% of people in the weight-loss programme achieved diabetes remission, compared with just 4% of those receiving usual diabetes care.

 

People who lost more weight were generally more likely to achieve remission.

 

But there was another important finding.

 

When researchers followed participants for longer, they discovered that staying in remission could be difficult, particularly when weight was regained.

 

By five years, far fewer participants remained in remission than at the earlier follow-ups.

 

 

What does this mean for you?

 

The research tells us three important things:

 

• Remission is possible. Some people can bring their blood sugar below the diabetes range without glucose-lowering medication.
• Sustained weight loss can help. For some people, losing and maintaining a substantial amount of weight can improve blood sugar enough to achieve remission.
• Long-term support matters. Maintaining healthy changes can be just as important as making them in the first place.

 

However, weight loss does not guarantee remission for everyone.

 

 

Can Diet Help Reverse Type 2 Diabetes?

 

Yes. Changes to diet can help some people achieve remission, especially when they lead to substantial, sustained weight loss.

 

But there's no single diet that guarantees diabetes remission.

 

Low-calorie diets

 

Some of the strongest evidence comes from structured low-calorie weight-loss programmes.

 

For example, the DiRECT trial used a supervised low-calorie diet as part of its remission programme.

 

In England, the NHS Type 2 Diabetes Path to Remission Programme offers eligible adults a structured weight-management programme with professional support.

 

However, these programmes are not the same as simply skipping meals or eating as little as possible.

 

They require appropriate guidance, particularly for people taking diabetes medication.

 

What about low-carbohydrate diets?

 

Low-carbohydrate diets may also help some people improve their blood sugar and lose weight.

 

Some studies have reported remission with carbohydrate-restricted diets, although results vary and maintaining improvements over time can be challenging.

 

The important thing is finding an approach that is safe, nutritionally balanced and suitable for your individual needs.

 

You don't need to follow an extreme diet to start improving your diabetes management.

 

And if you're considering an intensive weight-loss programme, speak with your diabetes healthcare team first.

 

 

Can Exercise Reverse Type 2 Diabetes?

 

Exercise is one of the best things you can do to improve your health when living with type 2 diabetes.

 

When you're physically active, your muscles use glucose for energy. Regular activity also helps your body respond better to insulin.

 

Activities such as walking, cycling, swimming and strength training can all be beneficial.

 

But can exercise alone reverse diabetes?

 

Exercise can improve blood sugar control, but it doesn't guarantee remission.

 

The strongest evidence for remission comes from interventions that achieve substantial, sustained weight loss.

 

However, exercise can support weight management, improve fitness and help protect your heart.

 

And these benefits matter whether or not you achieve remission.

 

Even something as simple as walking regularly can be a positive step towards better health.

 

 

Can Weight-Loss Surgery Reverse Type 2 Diabetes?

 

For some people, yes.

 

Weight-loss surgery, also called bariatric or metabolic surgery, can lead to major improvements in blood sugar and sometimes diabetes remission.

 

However, surgery is not suitable for everyone.

 

It involves potential risks and requires long-term follow-up.

 

A specialist healthcare team can help determine whether it may be an appropriate option.

 

 

Who Is More Likely to Achieve Remission?

 

Research suggests that remission may be more likely in people who:

 

• Have been diagnosed with type 2 diabetes relatively recently.
• Achieve and maintain substantial weight loss, where appropriate.
• Still have enough insulin-producing capacity in their pancreas.
• Receive ongoing support to maintain their progress.

 

But these are general patterns, not guarantees.

 

Some people may achieve remission after living with diabetes for several years, while others may not achieve it despite making significant changes.

 

And not everyone with type 2 diabetes needs to lose weight. Some people develop the condition at a lower body weight, so advice should always be individualised.

 

 

What If I Can't Reverse My Type 2 Diabetes?

 

This is something I really want you to remember.

 

Not achieving remission does not mean you've failed.

 

There is much more to successful diabetes management than reaching a particular HbA1c number without medication.

 

You can still make meaningful improvements to your health by:

 

• Keeping your blood sugar within your agreed target range.
• Being physically active.
• Eating a balanced, nutritious diet.
• Managing your blood pressure and cholesterol.
• Taking your prescribed medication when needed.
• Attending regular diabetes reviews.

 

These steps can help reduce the risk of diabetes-related complications and improve your overall well-being.

 

Taking medication doesn't mean you haven't worked hard enough.

 

And someone who manages their diabetes well with medication has not achieved less than someone in remission.

 

Your health matters more than the label.

 

 

What Should You Do If You Want to Achieve Remission?

 

If you're interested in exploring diabetes remission, the best place to start is with your diabetes healthcare team.

 

They can help you understand whether remission may be a realistic goal and which options are suitable for you.

 

Depending on your circumstances, this might involve a structured weight-management programme, changes to your eating habits, increased physical activity or specialist treatment.

 

You should never stop your prescribed diabetes medication or begin an intensive low-calorie diet without medical guidance.

 

Some medications may need adjusting when food intake or blood sugar levels change significantly.

 

The goal is to improve your health safely, not to achieve remission at any cost.

 

 

Frequently Asked Questions

 

Can type 2 diabetes be reversed permanently?

 

Some people remain in remission for years, but blood sugar levels can rise again. Remission is not considered a permanent cure.

 

How long does it take to reverse type 2 diabetes?

 

It varies from person to person. Blood sugar can improve within weeks of lifestyle changes, but formal remission requires an HbA1c below 6.5% (48 mmol/mol) for at least three months without glucose-lowering medication.

 

Can you reverse type 2 diabetes without medication?

 

Some people achieve remission through structured lifestyle and weight-management programmes. However, never stop prescribed medication without speaking to your healthcare team.

 

Can walking every day reverse diabetes?

 

Walking regularly can improve blood sugar control and overall health, but walking alone cannot guarantee remission.

 

 

The Bottom Line

 

Yes, type 2 diabetes can go into remission in some people.

 

Research has shown that substantial, sustained weight loss can help some people bring their blood sugar below the diabetes range without glucose-lowering medication.

 

Dietary interventions and weight-loss surgery may help in appropriate circumstances, while regular exercise remains valuable for managing diabetes and improving overall health.

 

But remission isn't guaranteed, and it isn't the same as a permanent cure.

 

Most importantly, you don't have to achieve remission to make meaningful progress with your health.

 

Whether you're working towards remission or simply trying to manage your blood sugar better, every sustainable, positive change matters.

 

Remission is a possibility, not a promise. And managing type 2 diabetes successfully is not a lesser achievement.

 

 

 

References and Further Reading

 

1. Riddle MC, et al. (2021). Consensus Report: Definition and Interpretation of Remission in Type 2 Diabetes. Diabetes Care. https://doi.org/10.2337/dci21-0034
2. Lean MEJ, et al. (2018). Primary care-led weight management for remission of type 2 diabetes (DiRECT). The Lancet. https://doi.org/10.1016/S0140-6736(17)33102-1
3. Lean MEJ, et al. (2019). Durability of a primary care-led weight-management intervention for remission of type 2 diabetes: two-year results. The Lancet Diabetes & Endocrinology. https://doi.org/10.1016/S2213-8587(19)30068-3
4. DiRECT five-year follow-up (2024). The Lancet Diabetes & Endocrinology. https://doi.org/10.1016/S2213-8587(23)00385-6
5. NHS England. NHS Type 2 Diabetes Path to Remission Programme. https://www.england.nhs.uk/diabetes/treatment-care/diabetes-remission/
6. Diabetes UK. Type 2 Diabetes Remission. https://www.diabetes.org.uk/about-diabetes/type-2-diabetes/remission

 

Medical disclaimer: This article is for general education and does not replace personalised medical advice. Always speak with your healthcare team before changing prescribed medication or starting an intensive weight-loss programme.