Embodiments described herein generally relate to medicinal compositions (e.g., compositions comprising an active pharmaceutical agent) such as those comprising liquid hydrogen and/or hydrogen gas. In certain embodiments, the composition comprises hydrogen and/or noble gas(es) in a medicinal composition, for example, within the aqueous phase (e.g., dissolved). For example, in some cases, the medicinal composition may comprise an active pharmaceutical ingredient and hydrogen (H2) and/or noble gas(es). The noble gas may be, for example, xenon, argon, or the like. In some embodiments, the hydrogen and/or the noble gas(es) may infuse with the composition (e.g., such that at least a portion of the hydrogen gas and/or noble gas(es) is dissolved within the composition). Such compositions comprising hydrogen gas and/or noble gas(es) may be useful, for example, for the treatment of animal and human diseases, for improvement in athletic performance, for the enhancement of the overall health of a subject, or the like. Such compositions and/or liquids described herein may be administered (e.g., orally, intravenously, inhaled) to/by a subject.
