Low-Carb Substitutes and Supplements

The article describes nutritional yeast as the most abundant natural food-form source of B vitamins. Glucomannan is contrasted with cornstarch because cornstarch is digestible starch while glucomannan is zero-net-carb fiber. Nutritional yeast has 6 grams of net carbs per 100 grams, but typical servings provide under 1 gram of net carbs. The article says glucomannan is most useful as a low-carb substitute for cornstarch or arrowroot in sauces, stews, and gravies. Glucomannan is a gelatinous absorbent fiber used as a thickening agent. Using nutritional yeast as a daily condiment can provide B vitamins without meaningful carbohydrate load.