The present invention provides oral dosage compositions, and methods of making thereof, which contain an edible oil, preferably containing an omega-3 fatty acid, and admixed therein one or more water soluble vitamins and/or minerals, for example vitamins B6, B9, and/or B12. The present invention also provides a method of making the composition comprising mixing the edible oil and one or more water-soluble vitamins and/or minerals to form a suspension or emulsion of the water-soluble vitamins and/or minerals in the edible oil. The mixture can be inserted into capsules, gelcaps, or caplets for oral consumption. An additional aspect of the invention is that the edible oil can coat particles of the water-soluble vitamins and/or minerals, which may preferably provide the vitamins and/or minerals improved absorption in the body due to increased resistance to degradation in the acidic environment of the stomach.