An alkaline antioxidant mineral water comprises tripotassium phosphate and multiple healthful minerals in water, which is free of chlorine, fluoride, and heavy metals. The alkaline mineral water further includes organic potassium, calcium, zinc, magnesium, selenium and 79 trace minerals from ancient sea salt. The trace minerals are taken from the low-sodium technically-processed magnesium chloride marine deposits and chelated with amino acids. The amino acids are obtained from a non-animal source which is suitable for vegetarian and persons who are allergic to animal proteins. The alkaline antioxidant mineral water neutralizes and eliminates the excess acids in human body, thus improving blood circulation. In addition, it provides electrolytes and minerals, which are beneficial to human body.