Ketogenic Diet U.S. News & World Report ranks the keto diet #1 for quicker weight reduction in 2023. It scored 3.9 out of 5.0 for "best fast weight loss," the highest of the lot.
The ketogenic—or "keto"—diet is low in carbohydrates and high in fat. Feeling full and reducing cravings helps this diet burn fat and lose weight fast.
The Mayo Clinic recommends buying plain Greek yogurt, nonstarchy and fiber-packed vegetables, full-fat cheeses, nuts, seeds, and oils, as well as lesser servings of eggs, meat, and fish.
Nutrisystem Diet Nutrisystem is another fast-loss diet. This diet ranked #2 and scored 3.6 out of 5.0 for "best fast weight loss."
According to U.S. News & World Report, most Nutrisystem programs include breakfasts, lunches, dinners, and snacks in the first week.
Nutrisystem delivers meals to your door every two weeks to a month, depending on your plan. Choose frozen or non-frozen.