Raw fruits and vegetables as well as juices are great cleansers, energizers, and builders of the human body system. They are extremely rich in vitamins and minerals that provide energy boosting and fat burning enzymes. Many studies prove that cooked rather than raw foods increase calories and fat in the body. Raw foods hardly assist in weight gain no matter how much the intake.
Some of the most effective fat burning fruits are:

• Apple
• Banana
• Cantaloupe
• Watermelon
• Orange
• Pineapple
• Apricot
• Avocado
• Cherries
• Cranberries
• Grapefruit
• Grape
• Honeydews
• Kiwis
• Lemon
• Papaya
• Tangerine
• Lime
• Mango
• 
  

While fat burning vegetables include: Broccoli, Beets, Carrots, Celery, Brussel sprouts, Asparagus, Cabbage, Cauliflower, Collards, Fennel, Garlic, Ginger root, Lettuce, Okra and Onions.
There are many scientifically proven aspects of raw fruits and vegetables that help in weight loss. It is a fact that raw fruits and vegetables are extremely low in calories and fat yet extremely high in energy boosting enzymes. Enzymes are critical in improving the metabolism of the body thus assisting in digestion, absorption and conversion of food into body tissue. Without enough enzymes more food would get converted into fat. They help in getting rid of wastes from the body. Wastes if not disposed off get converted into more body fat. Besides, these also reduce cravings for oily and sweet foods. Because raw foods are so high in energy they stabilize the energy levels of the body without the need for consuming too much food too often. Thus, you do not become hungry or tired easily.