Disclosed are solid or semisolid compositions the including finely divided particles and a water-soluble matrix that dissolves and disperses the particles when in contact with water. Also disclosed are kits for reducing and/or inhibiting odor formation on garment. The kit include one or more containers, wherein at least one of the one or more container includes solid or semisolid compositions the including finely divided particles and a water-soluble matrix that dissolves and disperses the particles when in contact with water. An edible silver delivery system including the compositions is disclosed as are methods of delivering silver to a subject in need thereof.