Glucomannan is a type of natural dietary fiber that is usually extracted from the roots of the Konjac plant, which grows in East Asia. Here is the most important information about this product: How does it work? Glucomannan is characterized by its superior ability to absorb water; it can absorb a large amount of fluids to turn into a dense gel in the stomach. Common Uses Weight Management: It helps in feeling full and satisfied for a longer period, which reduces the amount of food consumed during the day. Digestive Regulation: Being a soluble fiber, it helps in softening bowel movements and reducing constipation. General Health Support: It contributes to slowing down the absorption of sugars and cholesterol in the intestines, which helps in regulating their levels in the blood. Commercial Forms It is usually available in pharmacies and health food stores in the form of: Capsules or Powder: Taken before meals with sufficient water. "Shirataki" Noodles: These are transparent noodles that are almost free of calories and carbohydrates because they are primarily composed of this fiber and water. Important Notes Drinking Water: It is very essential to drink large amounts of water when using it to avoid any blockage or choking, and to ensure the substance reaches the stomach properly. Timing: It is preferable to take it 15 to 30 minutes before a meal to achieve the desired feeling of fullness. The product shown in the picture is powder.