According to Gram Research analysis, the REWIND weight loss program helped people with type 2 diabetes lose weight, reduce medications, and achieve remission at higher rates than usual care. After 12 months, participants lost an extra 2.1 kg, reduced diabetes medications by 12.2%, and experienced a 4.2% higher remission rate. The total diet replacement pathway was more effective than low-carbohydrate diets alone, with a 6.9% increase in remission rates among those who completed the program.

A new study tested a weight loss program called REWIND that offers two different eating plans to help people with type 2 diabetes. Over 1,000 people in London who joined the program were compared to 66,000 people who didn’t join. After one year, people in the program lost more weight, needed fewer diabetes medications, and more of them saw their diabetes go away completely. The program worked even better for people who stuck with it the whole time. This shows that intensive dietary support can help reverse type 2 diabetes in real-world settings.

Key Statistics

A 2026 cohort study of 1,051 REWIND program participants found that after 12 months, participants achieved a 4.2% higher rate of type 2 diabetes remission compared to 66,376 control participants who received usual care.

Research reviewed by Gram found that participants following the total diet replacement pathway in the REWIND program experienced a 6.9% increase in diabetes remission rates, compared to 2.9% for those following the low-carbohydrate pathway.

The 2026 REWIND study showed that program participants reduced their glucose-lowering medication prescribing by 12.2% after 12 months compared to control participants, indicating fewer medications were needed.

Among REWIND program completers, diabetes remission rates increased by 8.1% compared to controls, demonstrating that sustained engagement with the program produced substantially better outcomes than overall participation.

The Quick Take

  • What they studied: Whether a structured weight loss program with two diet options could help people with type 2 diabetes lose weight, improve blood sugar control, reduce medications, and achieve diabetes remission.
  • Who participated: 1,051 people with type 2 diabetes who joined the REWIND program in North West London, compared to 66,376 similar people who didn’t join the program. All participants had at least 12 months of follow-up data.
  • Key finding: After 12 months, people in the REWIND program lost an extra 2.1 kg, reduced their diabetes medications by 12.2%, and had a 4.2% higher rate of diabetes remission compared to the control group.
  • What it means for you: If you have type 2 diabetes, joining an intensive weight loss program with professional dietary support may help you lose weight and potentially reverse your diabetes. However, staying committed to the program is crucial for seeing the best results.

The Research Details

This study looked at real-world health records from doctors’ offices in North West London rather than conducting a controlled experiment in a lab. Researchers compared 1,051 people who participated in the REWIND program to 66,376 people with similar characteristics who didn’t participate. The REWIND program offered two different eating approaches: one where people replace all their regular meals with specially designed meal replacements, and another that focuses on eating fewer carbohydrates. Researchers tracked participants for at least 12 months and measured their weight, blood sugar levels, diabetes medications, and whether their diabetes went into remission.

To make the comparison fair, researchers used a statistical technique called inverse probability weighting. This method adjusted for differences between the two groups at the start of the study, such as age, weight, and other health conditions. This helps ensure that any differences in outcomes were due to the program itself rather than differences between the people who joined and those who didn’t.

The study design is called observational because researchers simply observed what happened rather than randomly assigning people to different groups. This approach reflects how the program actually works in everyday medical practice, making the results more relevant to real patients.

This type of real-world study is important because it shows whether programs that work in controlled research settings actually help people in regular doctor’s offices. Many weight loss programs look good in clinical trials but don’t work as well when regular patients try them. By studying actual health records from thousands of people, researchers could see the true effectiveness of REWIND in everyday practice.

The study’s strengths include a large sample size of over 67,000 people, long follow-up period of at least 12 months, and use of actual medical records rather than self-reported data. The researchers also adjusted for baseline differences between groups to make the comparison more fair. However, because this was not a randomized controlled trial, some differences in outcomes could be due to unmeasured factors. People who chose to join the program may have been more motivated than those who didn’t, which could partly explain better results. The study was conducted in one region of London, so results may not apply to all populations.

What the Results Show

After 12 months, people who participated in the REWIND program lost an average of 2.1 kg more weight than the control group. This may sound modest, but even small amounts of weight loss can significantly improve type 2 diabetes. The program also reduced the need for glucose-lowering medications by 12.2%, meaning many participants could reduce or stop taking some of their diabetes drugs.

Most importantly, 4.2% more people in the REWIND group achieved diabetes remission compared to the control group. Diabetes remission means blood sugar levels return to normal range without medication. The two diet pathways had different levels of success: the total diet replacement approach (where people eat specially prepared meal replacements) led to a 6.9% increase in remission rates, while the low-carbohydrate approach led to a 2.9% increase.

Interestingly, the study found no significant difference in overall blood sugar control between the two groups at 12 months. This suggests that weight loss and medication reduction were the main benefits, rather than dramatic improvements in how well the body controls blood sugar.

People who completed the entire REWIND program saw even better results than the overall group. Those who stuck with the program experienced an 8.1% increase in diabetes remission rates compared to controls, showing that commitment to the program matters significantly.

The study revealed that the total diet replacement pathway was more effective than the low-carbohydrate pathway for achieving diabetes remission. This suggests that more intensive dietary interventions may produce better results for reversing diabetes. The fact that program completers had much better outcomes than the overall group indicates that dropout and non-adherence are major challenges. Many people who started the program may not have finished it, which pulled down the average results for the entire group.

Previous research has shown that weight loss can help reverse type 2 diabetes, but most studies were conducted in controlled research settings. This REWIND study confirms those findings in real-world medical practice, showing that structured programs with professional dietary support can achieve meaningful diabetes remission rates outside of research clinics. The 4.2% increase in remission is consistent with other intensive lifestyle intervention studies, though the modest weight loss of 2.1 kg suggests the program may work through mechanisms beyond just weight reduction.

This study was observational rather than a randomized controlled trial, meaning people chose whether to join the program rather than being randomly assigned. People who joined REWIND may have been more motivated or health-conscious than those who didn’t, which could explain some of the better outcomes. The study only followed people for 12 months, so we don’t know if benefits last longer or if people regain weight over time. The research was conducted in North West London, so results may not apply to other regions or populations with different demographics. The study didn’t track why people dropped out of the program or what happened to those who didn’t complete it, which limits our understanding of real-world adherence challenges.

The Bottom Line

If you have type 2 diabetes, ask your doctor whether an intensive weight loss program with professional dietary support might be appropriate for you. The REWIND program shows moderate confidence evidence that such programs can help with weight loss, reduce medication needs, and potentially reverse diabetes. The total diet replacement approach appears more effective than low-carbohydrate diets alone for achieving remission. Success requires commitment to completing the full program, so consider whether you can dedicate the necessary time and effort.

People with type 2 diabetes who are motivated to make significant dietary changes should consider these findings. The program may be particularly valuable for those taking multiple diabetes medications or those whose diabetes was recently diagnosed. People with severe health conditions, those unable to commit to intensive dietary changes, or those with a history of eating disorders should discuss this approach carefully with their doctor before starting.

Based on this study, you can expect to see meaningful changes within 12 months if you participate in an intensive program. Weight loss typically occurs gradually over several months. Medication reductions may happen within 3 to 6 months as blood sugar improves. Diabetes remission, when it occurs, typically develops over 6 to 12 months of sustained weight loss and dietary changes.

Frequently Asked Questions

Can type 2 diabetes be reversed with weight loss?

Research shows that intensive weight loss programs can reverse type 2 diabetes in some people. The REWIND study found that 4.2% more participants achieved diabetes remission with the program compared to usual care, with even higher remission rates of 8.1% among those who completed the full program.

What is the difference between total diet replacement and low-carb diets for diabetes?

Total diet replacement uses specially prepared meal replacements instead of regular food, while low-carbohydrate diets focus on eating fewer carbs. The REWIND study found total diet replacement more effective, producing a 6.9% increase in diabetes remission versus 2.9% for low-carb approaches.

How much weight do you need to lose to reverse type 2 diabetes?

The REWIND study showed that an average weight loss of 2.1 kg was associated with improved diabetes outcomes and medication reductions. However, program completers achieved better results, suggesting that consistency matters more than a specific weight loss target.

How long does it take to see diabetes remission from a weight loss program?

The REWIND study measured results at 12 months, when 4.2% more participants achieved remission compared to controls. Medication reductions often occur within 3 to 6 months as blood sugar improves with sustained dietary changes.

What percentage of people complete intensive weight loss programs for diabetes?

The REWIND study didn’t report completion rates directly, but showed that program completers had much better outcomes (8.1% remission increase) than the overall group (4.2%), suggesting many participants didn’t complete the full program.

Want to Apply This Research?

  • Track your daily weight, medications taken, and blood sugar readings if you monitor them at home. Record which eating pathway you’re following (total diet replacement or low-carbohydrate) and note your adherence percentage each week.
  • Use the app to log your meals according to your chosen pathway, set reminders for medication times, and track your progress toward weight loss goals. Create weekly check-ins to assess how well you’re sticking to the program and identify barriers to adherence.
  • Monitor your weight weekly and average it monthly to see trends. Track medication changes with your doctor’s guidance. If using a glucose monitor, log readings to watch for improvements in blood sugar control. Set a 12-month review date to assess whether you’ve achieved remission or significant improvements.

This research describes the effectiveness of the REWIND program in a specific population in North West London. Results may vary based on individual health conditions, genetics, and commitment to the program. Type 2 diabetes remission is not a cure and requires ongoing lifestyle management. Before starting any intensive weight loss program or making changes to diabetes medications, consult with your doctor or diabetes care team. This information is for educational purposes and should not replace professional medical advice. Some people should not attempt intensive dietary changes, including those with a history of eating disorders, severe health conditions, or those taking certain medications. Always work with healthcare professionals when making significant dietary changes or adjusting diabetes medications.

This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.

Source: Evaluating the Effectiveness of the Reducing Weight With Intensive Dietary Support (REWIND) Programme on Type 2 Diabetes Remission. , Diabetes, obesity & metabolism (2026). PubMed 42779197 | DOI
Topics
type 2 diabetes remission weight loss program total diet replacement low carbohydrate diet diabetes medication reduction intensive dietary support blood sugar control diabetes reversal