key words will be low-carb, and keto. If you do look into
ketogenic diet, do not use it as an excuse
to eat too much fat; if you want to lose weight fat has to be limited to fats that come naturally with the foods that you eat, rather than lots of extra fats being added.
There are now many cases where this has happened (you can look up Virta Health a company that tries to guide patients to do this), and there are also many online supportive communities.