If you want to do it yourself.
1) Eat healthy, eat steam food, eat vegetables and fruits. Avoid soda drinks, take aways and junk food
2) Drink plenty of water / green tea
3) have 5-6 healthy meals a day (1 plate only) to stop the cravings.
4) Exercise, look at combining interval and strength training. You can consider Turbulence Training as one form of exercise.