"chicory root contains the highest concentration of inulin ... Vegetables such as sugar beets, leeks and asparagus all contain adequate concentrations of inulin

"chicory root contains the highest concentration of inulin ... Vegetables such as sugar beets, leeks and asparagus all contain adequate concentrations of inulin. Onions and garlic are also home to a healthy supply of inulin, as are dandelion root, elecampane root and a variety of herbs. Bananas and wheat contain inulin, too." from https://www.prebiotin.com/foods-provide-inulin/ https://www.prebiotin.com/foods-provide-inulin/