In a study conducted by the researchers, volunteers consumed 13% lower calories when they were provided a second meal, two hours after taking the powder.
Study researcher Carsten Huettermann said the ingredient would make people feel full after eating smaller amounts of food.
"Our next step now is to investigate in further studies the mechanism of action and whether this may have an impact on weight management," Huettermann added.
Methyl cellulose is used as a food additive to bind together baked goods, snacks and ready meals. While methyl cellulose generally passes through the system, the modified ingredient lingers in the stomach, before entering into the small intestine.
A report by an Food Standards Agency (FSA) advisory committee noted that did not have any safety concerns relating to this ingredient' but suggests it should not be given to children. The agency has asked food experts for their opinion before a decision is taken on approving it for use.