LA MERCED Barbacua Cosecha Limitada Yerba Mate 500gr. - Gluten Free. Go to amazon.com Related posts 10 best yerba mate la merced for 2022 FeatureLA MERCED Barbacua Cosecha Limitada Yerba Mate 500gr. - Gluten Free.Imported from Argentina. DescriptionLA MERCED Barbacua Cosecha Limitada Yerba Mate 500gr. - Gluten Free.