Oysters are the best dietary source of zinc, a mineral that can decrease the appetite. Plus, they are extremely low in terms of calories. Zinc as a mineral has a lot of importance in our metabolic functions. This can be discussed on a later date.
Nuts, and almonds in particular, help suppress your appetite. Eating two ounces of almonds (about 24 nuts) is enough to decrease your appetite. Choose natural, not salted or flavoured, nuts. Instead of just eating them whole, you can add chopped nuts to salads, plain peanut butter, cereal or yoghurt.
Many fishes are called oily owing to the high content of Omega-3 fatty acids in them. Omega-3 fatty acids are natural fat-burners. They reduce the fat mass in our body. Besides salmon, mackerel, tuna and herring also have a high content of Omega-3 fatty acids.