When you talk about Fat burn or Weight loss so first thing we need to make sure you should not lose muscle size. Do not leave food specially carbs otherwise you will lose weight but your muscles gets weaker. Start eating balance diet, count your calories, increase your protein intake, try to do workout empty stomach if you can and use some Fat loss supplements like Fat burner, Probiotics, L carnitine, Cla and Isolate protein for quick and great results. Drink plenty of water. Try to walk 10 minutes after eating every meal, specially walking early morning empty stomach can you give you great results.