Lemons are taken in morning by most of people with warm water with the belief that they can reduce their weight, and it is not baseless. Actually, a lemon contains citric acid in it and when we intake it, it helps the body absorb calcium into its fat cells; as more calcium is absorbed into its fat cells, as much weight loses. Secondly, as it is rich in citric acid but when goes in our body, during metabolism process it interacts with other acids and enzymes and produces alkalizing effect. So a problem-free digestion can be gained which again leads to weight loss. Our food contains sugars which are absorbed by a lemon because of the presence of citric acid in it. So again, weight is lost. In short, even a little lemon intake can help you lose your weight.