A hydrogen-containing drink containing a functional ingredient such as tea and hydrogen water, which maintains a high dissolved hydrogen concentration. A hydrogen-containing drink wherein at least one functional ingredient selected from the group consisting of teas fruits, vegetables, and plants sugars and sweeteners polyphenols vitamins and coenzymes amino acids and proteins oxidoreductases citric acids and yeast extracts and polydextroses is blended in hydrogen water, the hydrogen-containing drink being prepared by: degassing water as a raw material, dissolving hydrogen gas in the degassed water through a gas-permeable hollow fiber membrane so as to produce hydrogen water, and dissolving or mixing the functional ingredient in the produced hydrogen water, or dissolving or mixing the functional ingredient in water as a raw material, degassing the obtained solution or mixture, and dissolving hydrogen gas in the degassed solution or mixture through a gas-permeable hollow fiber membrane.
