Foods most afraid of being fat: lettuce, broccoli, tomatoes, cucumbers, wax gourd and bitter gourd.

Foods to improve metabolism: black coffee, green tea, garlic, onion, grapefruit and pear.

Low-calorie whole foods: konjac, yam, purple potato, corn, potato, buckwheat.

Foods to enhance muscle and body shape: chicken breast, beef, fish, shrimp, eggs and tofu.