Provided herein are compositions that contain water-soluble vitamin E derivative mixtures (compositions), such as tocopheryl polyethylene glycol succinate (TPGS), TPGS analogs, TPGS homologs and TPGS derivatives. The water-soluble vitamin E mixtures contain mixtures of dimers and monomers of the vitamin E derivative. Provided are products containing the water-soluble vitamin E derivative mixtures, including capsules, soft gel compositions, pre-gel compositions, emulsions and powders.