Konjac Powder (Glucomannan) 

Glucomannan is a soluble, bulk-forming fibre derived from the konjac root (Amorphophallus konjac) that can help to maintain intestinal regularity. And it also lends a nice chew and crunch to keto cookies, which you simply don’t get from either almond or coconut flour.

Substitutes: 3/4 teaspoon Glucomannan = 2 Tablespoons Xanthan gum.
This ingredient is called both Konjac Powder and Glucomannan.

Benefits and claims: adding this ingredient to food helps feeling full, gut health, regularity, cholesterol LDL levels, reduces acne, improves the health of skin, reduces allergic response and improves wound healing. It is the only dietary supplement approved by the European Food Safety Authority for weight loss.
Features: non GMO, Vegan, Kosher, probiotics, enzymes, digestive health.

Ingredients: 100% Glucomannan from Konjac Root
Macros based on 2g: Net Carbs 0g (Total carbs 2g - dietary fibre 2g) calories 5 
Allergens: paraben-free, coconut-free, gluten-free, soy-free, irritant-free. This source of konjac has not been treated with sulphur dioxide, so it's levels of sulphite <10 parts per million.

Keto Friendly Recipes that use this Keto Ingredient: Tortillas, keto bread, Aunt Rocky's rich microwave chocolate pudding.