An obesity pill that expands into a gel almost 100 times its original size after being swallowed has moved one step closer to approval. The product is called Gelesis100 and is a capsule that contains little particles made up of cellulose, a fibre found in plants, and citric acid, which is found in fruits. When the particles come into contact with water, they soak up more than 100 times their weight and form a super-absorbent hydrogel, similar in consistency to tapioca pudding. This fills the stomach and

Source: Obesity pill aims to kill hunger by expanding in your stomach