Liquid dietary supplement formulation compositions that provide dietary minerals and additional optional ingredients beneficial for health； methods for manufacturing such compositions； and methods for enabling convenient oral ingestion of the formulation ingredients, by adding the same to drinking water, beverages, foods, or meals. The inventive formulation compositions generally include water, water-soluble calcium compound(s), water-soluble magnesium compound(s), and additional optional ingredients, wherein the sum of the concentrations of the calcium and magnesium compounds is most preferably 2 molar or more, up to the point of saturation. The inventive formulation compositions possess inherent resistance to microbial growth. The inventive formulation compositions and variations thereof can be used as dietary supplements to increase take of beneficial minerals, to mineralize water, to fortify foods or beverages, and can also be used to prepare a variety of additional liquid formulations by varying the calcium and magnesium compounds, and/or by adding one or more compatible ingredient(s).
