| Abs Diet | The Abs Diet is based around frequently eating whole carbs, adequate protein. This must be combined with cardio and weight training. |
| Anne Collins Weight Loss Program | On-line access to 9 complete Diet Plans, On-line Forum, 365-day email support, 600+ pages of weight loss information, motivation advice articles, etc. |
| Apple Cider Vinegar Diet | A ridiculous fad claiming that apple cider vinegar will cause weight loss. |
| Atkins Diet | Controversial but popular high-fat low carb diet. |
| Bernstein Diet | Clinic-based program based in Canada. |
| Beverly Hills Diet | A very low calorie diet based on an unproven theory. |
| Biggest Loser Club | An adaptation of the popular NBC reality series The Biggest Loser. |
| Blood Type Diet | Claims that nutrition should match blood type. |
| Body For Life | A program that includes weights, cardio, as well as nutrition. |
| British Heart Foundation | Low calorie fad diet. See also Greenlane diet. |
| Cabbage Soup Diet | A faddish monotonous diet plan based on Cabbage soup. |
| Cambridge Diet | A Very Low Calorie Diet originating from the UK in the 1980s. Use with care. |
| Carbohydrate Addicts | Low carb diet claiming that most people are carb addicts. |
| Change One | Diet from Readers Digest aims to make dietary changes one at a time. |
| Dash Diet | Whilst not really a weight loss diet, this low sodium diet is healthy enough to bring about weight loss. |
| Diet Divas | Web-based weight loss program based on reduced-carb, high protein recommendations. No Longer in Business. |
| Diet Smart | Based on calorie counting. |
| DietWatch | A popular on-line program. |
| Dr Phil | More about addressing the causes of weight problems, than nutritional guidelines. |
| eDiets | The largest provider of online weight loss programs. |
| F-Plan | A high fiber, low fat diet. |
| Fat Flush Diet | Primarily a Detox Diet, with fat loss as a side effect. |
| FatLoss4Idiots | A web-based diet based on a higher-protein ratio. |
| Glycemic Index Diets | Originally devised for Diabetics, low GI diets being used to assist in weight loss efforts. |
| Glycemic Impact Diet | A newer GI diet implemented in the USA. |
| Glycemic Load Diet | Based on the Glycemic Index corrected for serving sizes. |
| Grapefruit Diet | A diet plan based solely around the humble grapefruit. |
| Greenlane Diet | Also known as the British Heart Foundation Diet - this is a faddy low calorie diet. |
| Hamptons Diet | A more nutritional version of the Atkins Diet. |
| Herbalife Weight Loss Program | ShapeWorks - uses meal replacement shakes and protein booster. |
| High Protein Diets | Aim to build muscle mass and lose fat. |
| Hilton Head Metabolism Diet | Change your body chemistry to burn fat naturally through metabolism. |
| Hip and Thigh Diet | Rosemary Conley's very low fat diet. |
| Hollywood Diet | Not really a diet, but a fad based on a tonic juice. |
| Israeli Army Diet | An appalling fad diet from the 1970s. |
| Jenny Craig | Franchised weight loss centers. |
| Ketogenic Diets | High-fat and higher protein diets with no carbohydrate. |
| Kids and Teens Diets | Dietary requirements for children. |
| LA Weight Loss | Expensive center-based weight loss program. |
| Leptin Diet | Examines Mastering Leptin based on managing the leptin hormone. |
| Lindora | The Lindora clinics offer the Lean for Life program - a ketogenic diet. |
| Liquid Diets | Sometimes used for rapid weight loss, but not a long term option. |
| Low Carb Diets | Generally a diet with 40% or less carbohydrate content. |
| Low Fat Diets | What is a low fat diet? |
| Macrobiotic Diet | Difficult to categorize - this Far Eastern diet is based on whole grains, and holistic living. |
| Maker's Diet | Author Jordan Rubin makes a number of health claims with his biblically based 40 day diet program - including weight loss. |
| Mayo Clinic Diet | A Fad/Crash diet with no connection to the official Mayo Clinic. |
| Mayo Clinic Plan | Healthy weight maintenance program available online from eDiet.com in partnership with The Mayo Clinic |
| Medifast | A VLCD bringing about rapid weight loss. |
| Mediterranean Diet | Healthy eating based on the Southern Mediterranean. |
| Neanderthin | A diet based around that of Paleolithic man. |
| Negative Calorie Diet | Claims that certain foods have a Negative Calorie effect. |
| No Flour, No Sugar Diet | Dr. Gott's Diet Program eliminating refined flour and added sugar. |
| NutriSystem | A portion-controlled diet where the food is premade. |
| OPTIFAST Diet | Clinic-based obesity weight-loss program and liquid diet available in USA and Canada. |
| Ornish Diet | Very low fat diet from Dr Dean Ornish. |
| Peanut Butter Diet | Fad dieting at it's finest. |
| Personality Type Diet | A unique weight loss program based around personailty and behavioral factors. |
| Pritikin Diet | A very low fat, high carb diet. |
| Protein Power | A higher protein lower carb diet. |
| Rice Diet | Specialized clinic-based program in Durham, NC, USA. |
| Rosedale Diet | Very-low carb, low protein, high fat diet. |
| Sacred Heart Diet | Soup-based fad diet based on a 7 day plan. |
| Seattle Sutton | Pre-packaged diet based in Chicago, US. |
| Scarsdale Diet | High-protein, low-fat, and too low in calories. |
| ShapeWorks | Herbalife weight loss program using meal replacement shakes and protein booster. |
| Six Week Body Makeover | An informercial kit promising transformation in 6 weeks. |
| Slim4Life | A long-running clinic-based program available in Denver and Minneapolis/St. Paul. |
| Slim Fast | 2 meal replacements per day plus one 'regular' meal. |
| Slimming World | A popular program in the UK and Ireland. |
| Somersizing | A gimmicky diet by celebrity Suzanne Somers. |
| Sonoma Diet | Balanced mediterranean diet based on portion size. |
| South Beach Diet | Popular nutritionally-balanced weight loss diet. |
| SparkPeople | Powerful online weight loss program based around high-carb, low fat nutrient ratios. |
| Subway Diet | A fast food diet based on eating only Subway sandwiches. |
| Sugar Busters | A diet based on the premise that all sugar is bad. |
| Very Low Calorie Diets | To be used under medical supervision only. |
| Very Low Fat Diets | See Low Fat Diets. |
| Volumetrics | A concept rather than a diet plan. |
| Warrior Diet | Difficult to classify, this diet involves a process of undereating and overeating. |
| Weight Watchers | The longest surviving weight loss program. |
| Zone Diet | A popular diet based on a 40:30:30 nutrient ratio. |
| 3 Day Diet | Short-term fad diet. |
| 3 Hour Diet | Popular diet from Jorge Cruise |
| 7 Day Diet | A very unbalanced eating plan. |
