The high-fat, low-carb ketogenic diet, or keto for short, is gaining more and more popularity. While the diet was indeed proven to be effective in losing weight, it does not come without a few side effects, like the notorious keto flu. After all, this way of eating is a huge change to your body’s metabolism. So before you try it, it’s important to be aware of those side effects and their varying seriousness levels. This video breaks it all down.