PEPPERMINT POLEO 25 FILTERS LA LEONESA Peppermint poleo infusion. The La Leonesa peppermint poleo tisane is made with a selection of mint plants produced in Spain. This tisane is rich in essential oils that stimulate digestion, while also having antispasmodic effects. It helps with the proper functioning of the liver and gallbladder. It is also beneficial for colds, flu, and to clear nasal and throat congestion. Ingredients: Peppermint piperita Instructions: Place the peppermint poleo bag in a cup with boiling water and let it infuse for 5 minutes.