Click to use the complete program FREE for 15 days. No strings attached—We're Not That Kind of Company™.
Is Quick Weight Loss Safe?

What Reviewers Say

"Year's Top Download Pick!"
—PC World
"A godsend."
—Fitness
"Turns your PC into a nutrition counselor."
—Wall Street Journal
"I've lost 65 pounds with Diet Power.  Now I recommend it to patients."    —Paul Huser, M.D.
"The only diet software proven effective in weight loss."
—Runner's World
"Diet Power is the best way to lose weight I've ever seen."
—Consumer Electronics
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Calorie Counter & Weight Loss Software

Download Our Award-Winning Diet Software—Free 15-Day Trial

Guarantees reaching your goal weight on your target date. (No other software does.) Makes any diet* more powerful by managing what all diets have in common—calories.

Click to read more about Diet Power

How it Works

Download our free 15-day trial.  Tell your Eating Coach™ your target date and goal weight.  Log your meals and exercise.  Watch your calories and 33 nutrients.  Eat favorite foods coded in to feel full while raising your Nutrition Quotient™.  Mind your Calorie Bank and you can't fail.  Buy with our 1-year no-quibble money-back guarantee.

Used by Millions

Diet Power has helped people all over the world lose up to 200+ pounds; sculpt bodies; become stronger, fitter athletes; lower blood pressure, cholesterol, triglycerides; fight heart disease, cancer, stroke, diabetes.  Doctors, dietitians, and personal trainers use our Consultant Edition to coach patients and sports stars.  We get unsolicited testimonials every day.

Endorsed by Experts

Invented by an overweight medical journalist, Diet Power is backed by a blue-ribbon science panel and 20 years of testing and research.

Amazingly Versatile

  • Shows nutrients in 21,000 foods
  • Awards calories for exercise
  • Minds your water intake
  • Analyzes meals and recipes
  • Lets you Eat By Color™

Easy to Use

Within a week, you'll be logging your meals and exercise in only five minutes a day. Besides online help, tutorials, and forums, you get free 9 a.m.-to-midnight phone and email support from Nice People™ who use Diet Power themselves.

Get a Free Trial in 2 Minutes

Download now to any Windows PC**. There's no obligation—nothing to cancel or return. (We're Not That Kind of Company™)

Summer Sale!

One-time payment of $39.99.  Allows use anywhere by four people in a household.  Free auto-updates, support, nutrition news.

1-Year Money-Back Guarantee

You won't find a program with a more confident warranty.  We refund every penny if you aren't delighted—no questions asked.  

To learn more...

...browse the links above or contact us.

Protected by United States Patent No. 6,288,717.  All rights reserved.
Here are some of the diets, drugs, fitness programs, cookbooks, and health organizations that team well with our easy-to-use diet program, food log, and nutrition tracker: 24 Hour Fitness, 3 Hour Diet, Abs Diet, American Diabetes Association, American Heart Association, Atkins, Bally Total Fitness, bariatric surgery, Before and After Weight Loss Clinics, Best Life Diet, Biggest Loser Club, Blood Type, Bill Phillips Body for Life, Cabbage Soup Diet, ChangeOne.com (Reader's Digest), Curves for Women, Cooking Light, Detox Diet, Dexatrim, Diabetic Diet, Diet Center, Diet Smart, Diet Diary, Dr. Andrew Weil, Duke University Weight Loss Center, Ephedra, eDiets, FirstPlace4Health, Genesis 1:29, Gold's Gym, Grapefruit Diet, Green Mountain at Fox Run, Green Tea Diet, H-Factor Diet, Hallelujah Diet, Health Management Resources (HRM), Herbalife, Hilton Head, Hoodia, hospital-based programs, Inches-A-Weigh Weight Loss Centers, iShape, Jenny Craig, LA Fitness, LA Weight Loss Centers, LEARN Program, Lemonade Diet, Leptopril, Leptoprin, Lindora Medical Clinics, Lindora Online, Marilu Henner, Master Cleanse Diet, Mayo Clinic, Medibase, Medical Weight Loss Centers of Michigan, Medifast, Mediterranean, Meridia, Metabolic Research Centers, Metabolife, New York Health & Racquet Club, Nutri/System, nutritionist plans, Phentermine, Optifast (Novartis), Ornish Plan, physician plans, Physicians Weight Loss Centers, PowerHouse Gyms, Prism Weight Loss Program, Pritikin Longevity Center, Protein Power Diet, Q Clubs, Raw Food Diet, ReformU, registered dietitian plans, Relacore, Richard Simmons, Robard Corporation, Scan Diet, Slim-Fast products, Smart For Life Centers, Somersizing, Sonoma Diet, South Beach Diet, SparkPeople, Special K, Structure House, Sugar Busters, Suzanne Somers, TOPS (Take Off Pounds Sensibly, Thin for Life, Think Light, Volumetrics, WebMD Weight Loss Clinic, Weight Watchers, Weight Watchers Online, Wellness Councils of America, Xenadrine, Xenical, YMCA, You on a Diet, YMCA, Zone. (If yours isn't listed, email us.)
Diet Power will also work on a Mac equipped with PC-emulator software such as Virtual PC, Parallels, or VMWare Fusion, as well as on newer Apple computers that run both Windows and Mac operating systems.  To express interest in a Mac version of Diet Power, .
Health on the Net principles 2008 Top Gear of the Year award PC World "Top Downloads" ZDNet "Editor's Pick" Softpedia "100% Clean" download