To obtain the best weight loss benefits from using ketones or for weight loss in general, you should follow a low to no carb diet.
For your reference, we have compiled easy to follow charts listing foods by category and carb count.
Numbers represent net carbs per 100 grams (3½ ounces).
Generally speaking, vegetables that grow ABOVE ground and lower in carbs than vegetables that grow BELOW ground.
Peas, Corn, Beans, Lentils, Quinoa: