Advocates of intermittent fasting make a compelling case to why it might work. But is it best for your goals? Here’s the clinical breakdown, along with a middle-ground approach.

The keto diet emphasizes weight loss through fat-burning. The goal is to quickly lose weight and ultimately feel fuller with fewer cravings, while boosting your mood, mental focus and energy. According to keto proponents, by slashing the carbs you consume and instead filling up on fats, you safely enter a state of ketosis.