A shelf stable liquid sweetener and flavor additive is a food additive that increases the palatability and sweetness of a plurality of food products. The shelf stable liquid sweetener and flavor additive is a formulation of various naturally occurring compounds and extracts that are obtained through non-chemically assisted means. The present invention enhances the sweetness and palatability of food product but contains a negligible caloric content. Additionally the present invention is able to be safely stored in a sealed container at ambient temperature for several months. The present invention comprises a plurality of natural compounds that function as water activity reducing compounds, stabilizing compounds, preservatives, and flavoring compounds as well as a natural high intensity sweetener. Through the formulation of the various natural components the present invention is able to maintain a water activity value that is below 0.8 and a pH value below 4.2.