Low carb doesn't mean you can't eat food with carbs, it means most of your diet is protein and fat, and you restrict carbohydrate consumption. He can have a low

Low carb doesn't mean you can't eat food with carbs, it means most of your diet is protein and fat, and you restrict carbohydrate consumption. He can have a low carbohydrate diet while eating vegetables, as long as he eats less vegetables than meat.