A scavenger composition comprising a carrier and an active metal, wherein the carrier is present in an amount of about 1.0 wt % to about 99.0 wt. %, based on total weight of the composition, and the active metal is present in an amount of about 1.0 wt % to about 99.0 wt. %, based on total weight of the composition, wherein the active metal is a metal salt or metal chelate, and wherein the metal is chosen from iron, copper, molybdenum and zinc.