Chemical preparations for pharmaceutical purposes, namely, for increasing solubility and the subsequent absorption of the active ingredient of pharmaceuticals; Chemical products for pharmaceutical or medical purposes, namely, chemical preparations for increasing solubility and the subsequent absorption of the active ingredient of pharmaceuticals; Dietary supplements; Nutritional supplements; Medicinal food supplements; Food supplements for medical purposes; Vitamins; Vitamin supplements; Vitamin preparations; Dietetic foods for increasing solubility and the subsequent absorption of the active ingredient; Dietetic foods adapted for medical use; Sanitary preparations for medical purposes; Preparations for medical purposes, namely, for increasing solubility and the subsequent absorption of the active ingredient; Chemical preparations for medical purposes, namely, for increasing solubility and the subsequent absorption of the active ingredient of pharmaceuticals; Nutraceutical preparations for therapeutic or medical purposes, namely, for increasing solubility and the subsequent absorption of the active ingredient