Peanut butter is best used on the ketogenic diet as a snack. Ciniax Garcinia Since the goal of keto is to stay under 50 grams of carbs, saving it for the end of the day when you know you’re under your carbohydrate intake is the safest way to eat it without harming your weight loss goals. Ciniax Garcinia Cambogia The keto diet may be the most buzzed-about eating plan of the moment, but it’s no walk in the park.