7 Medically Proven Weight Loss Supplements that Work

4. Glucomannan

At the mid-point of our list of 7 medically proven weight loss supplements that work is Glucomannan, a type of fiber that is made from an Asian plant called Konjac, which is also the source of Japanese Shirataki noodles. The main benefit of Glucomannan is that once it reaches the stomach, it absorbs water and “stays there”, which gives you a feeling of fullness and helps you eat fewer calories. Glucomannan has to be taken with a glass of water before meals and studies have consistently shown that in combination with a healthy diet, it can help people lose up to 10 pounds of weight in five weeks. Among the negative side effects are bloating and flatulence, but it also has additional positive side effects such as lower blood sugar and cholesterol.

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