As of February 2015, U.S. News Health Department ranks the DASH Diet as its top-rated diet with the TLC Diet ranked second. The DASH Diet has an overall rating of 4.1 out of 5 based on the expert panel's ratings, and the TLC diet has a 4 rating.
Originally developed to lower hypertension, the DASH Diet recommends eating lean poultry, fish, grains, vegetables, and fruits, and avoiding salt. U.S. News' panel gave it high ratings in nutrition and safety, with scores of 4.7 and 4.9 out of 5. It also received a 4.3 in heart health. It received ratings of 3.2 for short term weight loss and 3 for long term weight loss.
The TLC Diet was created to lower bad cholesterol. It recommends eating skinless poultry, fruits, vegetables and avoiding saturated fat. It scored similarly to the DASH Diet, with a 4.6 in nutrition, 4.8 in safety and 4.5 in heart health. It received a 3.2 for short term weight loss and a 2.8 in long term weight loss.
The top four diets in terms of short term weight loss were the Biggest Loser Diet, the AMR Diet, the Atkins Diet and Weight Watchers. The top four in terms of long term weight loss were Weight Watchers, the Flexitarian Diet, the Raw Food Diet and the Vegan Diet. Weight Watchers was also tied for third place overall, with a 3.9 rating.