It isnota weight loss diet, although it’s likely that anyone who follows it will shed some pounds.
There are no restrictions or guidelines regarding protein or fat intake.
For this reason, the diet is controversial.

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Background
The Bernstein Diet has an interesting history.
It was created by an engineer-turned-endocrinologist named Richard K. Bernstein, MD.
What’s more, many of the complications of his diabetes resolved.
Since then, he has written six books about his diet and overall approach to managing diabetes.
The Bernstein Diet has no rules or guidelines regarding protein, fats, or total calories.
Nuts:Although nuts do contain carbs, Dr. Bernstein says they tend to raise blood sugar levels slowly.
For some people, a tablespoon can be too much.
For some people, it can lead to weight loss in addition to normalized blood sugar levels.
Between-meal snacks do not appear to be factored into the basic diet.
This could feel highly restrictive for people accustomed to eating more carbs.
This could make the diet feel restrictive for some people.
Their stance is that the intake of macronutrients should be based on an individual’s situation.
The Bernstein Diet also takes a different view of dietary protein than most medical guidelines do.
His diet does not impose limits on protein or fat.
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