The answer here is “yes for some people.” This is not possible for people with Type 1 Diabetes, though.
Some people have diabetes as a result of being overweight. If they lose weight, there is a possibility of lowering their blood glucose so that it is in the normal range.
I know this is true because I know someone who is obese and they lost about 10% of their body weight and they no longer need diabetes medication.
This person did NOT have LADA Diabetes. They also did not have Type 1. This person had Type 2 Diabetes which was a result of their diet and/or body weight.
Diabetes Type 1 is caused by the pancreas not producing insulin. A change in diet or weight isn’t going to solve that issue.
A lot of people don’t understand the difference between Type 1 and Type 2. It’s understandably confusing because both are forms of diabetes. There are also other kinds of diabetes as well. There also may be multiple causes of Type 2 Diabetes, so not everyone can reverse it with diet.
Improving diet is a good idea in general for well being. Unfortunately, it’s not going to be a cure for all of us 🙁