Fish are a great source of protein and omega-3 fatty acids. Proteins help build muscle, and omega-3 fatty acids reduce inflammation in the body and increase metabolic rate. Also, the lower the inflammation, the lower the chances of gaining weight that is triggered by stress and inflammation.
Almonds keep your stomach full for a long time, and they are good fats that do not add to your calories. They are a good source of nutrients to burn fat for vegetarians. They are also rich in omega-3s that increase energy and metabolism.