low-carb diet
US /ˌloʊ kɑːrb ˈdaɪ.ət/
UK /ˌloʊ kɑːrb ˈdaɪ.ət/

1.
a diet in which you eat only a small amount of carbohydrates
:
•
She decided to go on a low-carb diet to lose weight.
•
Eating a low-carb diet can help manage blood sugar levels.
a diet in which you eat only a small amount of carbohydrates