Eating only animal products might help people with slightly high blood sugar get it under better control, based on lower HbA1c levels seen in some people.

Some people in Germany who ate only meat saw their blood sugar and fat levels get better, especially if they started with high levels — but not everyone improved, and the group as a whole didn’t change enough to be sure it wasn’t just chance.

If your blood sugar or fat levels are high to start with, going all-meat might help lower them — at least in some people — but it doesn't work for everyone.

Eating only animal-based foods might help reverse type 2 diabetes for some people, leading to better blood sugar control instead of making it worse.

If your blood sugar or fat levels are high to start with, going all-meat might help lower them — but not everyone sees the same results, so the average change across a group might not look impressive.

People with diabetes who ate only meat lost weight and lowered their blood sugar enough that most stopped taking their diabetes pills or insulin.