A beverage creamer composition comprises de-bittering agents for reducing or blocking the negative flavor attributes of a beverage, such as artificially sweetened beverages, and coffee. The negative flavor attributes include bitterness, and ashy, or burnt flavors. The de-bittering agent is preferably provided as a blend of sodium salt and potassium salt, a gluconate, a commercial bitter blocker or a combination thereof. Also provided is a beverage system comprising a coffee base component and the creamer composition.