Beverage cartridges, and methods of assembly, are disclosed that include a housing, a filter extending across an interior of the housing dividing the housing into an upper portion and a lower portion, a beverage ingredient disposed within the upper portion of the housing, and a supplement ingredient disposed within the lower portion of the housing. With this configuration, beverage cartridges as provided herein can be used to prepare a mixed beverage containing the beverage ingredient as well as the supplement ingredient.