Low-carb diets have been trending for a while, and they’ve always been pretty controversial.

On the one hand, many people shareanecdotal storiesabout how low-carb fad diets like keto helped them lose weight.

Here’s what it’s crucial that you know.

a collage featuring a glucose monitor and a bowl of zucchini noodles with shrimp and lemon

Photo: Getty Images

Seventy-two percent of the participants were women, and 59% of participants were Black.

They took several biomarkers related to diabetes such as hemoglobin A1C, fasting blood glucose and weight.

Then, researchers divided participants into a low-carb dietary intervention group or a control group.

The control group was instructed to consume their usual diet.

For a person on a 2,000-calorie diet, this would be around 225 to 325 grams of carbs daily.

By comparison, the carb intake limits set by the study are quite low.

That said, the carb limits they set would still be very challenging to follow for most adults.