Abstract: The present disclosure relates generally to a pharmaceutical compositions and methods of reducing acetaminophen-induced liver toxicity. The disclosure includes pharmaceutical compositions including acetaminophen and one or more components selected from S-adenosylhomocysteine (SAH), S-methylmethionine (SMM), or a pharmaceutically acceptable salt thereof. The disclosure also relates to methods of reducing acetaminophen-induced liver toxicity in a subject by administering or co-administering one or more of S-adenosylhomocysteine (SAH), S-methylmethionine (SMM), or a pharmaceutically acceptable salt thereof, with acetaminophen to a subject.

Abstract: The present disclosure relates generally to a co-formulation or co-administration of acetaminophen with one or more chemicals that are metabolites or their derivatives in the methionine and glutathione biosynthesis pathways, for protection against acetaminophen-induced liver toxicity. The formulation may comprise acetaminophen and diet supplements such as S-methylmethionine (SMM). The present disclosure also encompasses methods of providing pain or fever relief with protection against acetaminophen-induced liver injury with the formulations described herein. Embodiments of the present disclosure also include co-formulation or co-administration of an agent and one or more other chemicals for reducing agent-induced liver toxicity via depletion of glutathione.