[{"from": "human", "value": "Could you provide a description of this molecule? [Zn]"}, {"from": "gpt", "value": "The molecule is an essential mineral and heavy metal that is included in most over-the-counter multivitamin and mineral supplements, and is used therapeutically in higher doses because of its ability to block copper absorption as maintenance therapy of Wilson disease. Zinc has not been associated with worsening of serum enzyme elevations during therapy or with clinically apparent liver injury."}]