Lose Weight Fast: How to Do It Safely: Working on weight loss? Then you probably want results -- fast. Let me save you some time: skip the fad diets. Their results don't last. And you have healthier options you can start on -- today! fruit and vegetables on sale. You can safely lose 3 or more pounds a week at home with a healthy diet and lots of exercises, says weight loss counsellor Katherine Tallmadge, RD. How to Lose Weight Fast: If you burn 500 more calories than you eat every day for a week, you should lose about 1-2 pounds. If you want to lose weight faster, you'll need to eat less and exercise more. For instance, if you take in 1,050 to 1,200 calories a day, and exercise for one hour per day, you could lose 3-5 pounds in the first week, or more if you weigh more than 250 pounds. It's very important not to cut calories any further -- that's dangerous. Limiting salt and starches may also mean losing more weight at first -- but that's m...