“Keto” is the term that refers to ketogenic or ketosis, a metabolic state in which stored fat is broken down for energy. Studies have shown that keto diets can lead to short-term weight loss. However, a true ketogenic diet, which is high in fatty foods, must be supervised by a doctor and comes with potentially serious risks for some people, including those with high cholesterol, diabetes or pre-diabetes, or other underlying conditions. If you're trying to lose weight and stay at a healthy weight, Keto is another fad diet that there haven't been many long-term studies about. For adults, the US Dietary Guidelines. They recommend keeping fat intake to less than 10 percent of daily calories. In general, foods that are higher in dietary cholesterol, such as fatty meats and high-fat dairy products, are also higher in saturated fat.