Botanical illustration of a Konjac plant featuring a dark purple spathe and a tall, upright central spadix.

Amorphophallus konjac

Also known as: Konjac, Konjac root, Glucomannan, Elephant yam, Amorphophallus rivieri, Asian konjac, Konyaku

Amorphophallus konjac, commonly known as konjac, is a plant native to Asia that has gained popularity as a dietary supplement and food ingredient. At the heart of konjac's benefits is glucomannan, a type of soluble fiber extracted from the plant's root. Glucomannan is renowned for its remarkable ability to absorb water and expand in the stomach, creating a sensation of fullness. This property has led to the widespread use of konjac as a weight-loss aid, as it can naturally help reduce appetite and decrease calorie intake when consumed before meals, making it a popular choice for those seeking ...

Potential Side Effects

Side effects score: 3; Amorphophallus konjac, commonly known as konjac, may cause gastrointestinal side effects like bloating, gas, diarrhea, and stomach discomfort, especially when consumed in large amounts. Its high fiber content also poses a choking hazard if not taken with sufficient fluid.

Health Categories

View efficacy ratings for Amorphophallus konjac across multiple health categories.

Research & Evidence

Our efficacy ratings are based on scientific research and clinical studies.

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