An improved dietary and/or therapeutic supplement composition comprising a quantity of a dietary and/or therapeutic supplement agent having a pH that upon ingestion with food or a beverage would limit the effectiveness of the agent and a sufficient amount of an alkaline electrolyte additive is provided in combination with the agent to raise the pH of the composition to a level of from about 8 to about 12.5 to increase the effectiveness and functional utilization of the agent while the composition is in the person's stomach. In a preferred composition, the electrolyte additive is selected from the group consisting of calcium, magnesium and potassium electrolytes. The supplement composition may be in the form of tablet, capsule, powder or liquid forms. The supplement composition is designed to provide for optimum utilization of a dietary and/or therapeutic supplement agent when taken orally with food or a beverage.