The use of appetite suppressants, which act by making you feel full on fewer calories, is one strategy for losing weight. Glucomannan, green tea extract, and hoodia gordonii are just some of the more mainstream appetite suppressants available.

Dietary supplements called "fat burners" are sold with the promise that they would speed up your metabolism and enhance the amount of fat your body burns when exercising. Caffeine, green tea extract, and synephrine are three well-known fat-burning substances.

Meal replacement shakes are a quick and easy way for dieters to cut calories without sacrificing nutrition. While many of these drinks are fortified with protein, fibre, and other minerals, they may not be enough to meet your body's requirements.