How can I lose weight? I've tried everything....

Both diet & exercise. Make sure you exercise at least 30 minutes a day, don't skip meals, avoid soda, juice, dairy, alcohol and fried foods. Eat a healthy well balanced diet! also water, organic vegetable broth, green leafy vegetables, natural pickles, apples are great to fill you up so you dont feel hungry and they are very low in calories.
Control-IT. Control-it by biotics focus on regaining health and weight loss. But if you like work out tony horton p90x is a great program.
Comprehensive way. Losing weight is difficult, but not impossible. Many people try to focus on just one area in order to lose weight, but most times a comprehensive approach is necessary. You need to look at the big picture, and have a plan for an eating program, an exercise plan, ways to deal with any behavioral or emotional issues that arise (like stress eating), and factor in any health issues you may have.

Related Questions

How can I lose weight? I've tried absolutely everything. I will lose a couple pounds then gain it all back even though I'm exercising and eating right

Count calories! Keep an exercise log. Monitor your heart rate. And keep a food diary, so you can actually measure your caloric intake against output. Read more...
Losing weight. Eat healthfully. Try to eat at least 5 servings of vegetables & 4 of fruit per day. Increase nutritional fiber. Avoid refined sugar & junk carbohydrates. Avoid alcohol, sweetened juices, soda & caffeinated beverages. Aim for 7.5 to 8 hrs of sleep / night. Hydrate w at least 64 oz of water / day. Calories burned must > calories consumed. Do both cardio & weight training. Read more...