Li Lai: There is a safety risk in mixing thymopentin with vitamin B12.

On March 12th, Eli Lilly and Company issued a public warning regarding potential safety risks associated with a combination of thymopentin and vitamin B12. Eli Lilly tested a combination product containing thymopentin and B12 sold in the US market, and found significant levels of impurities in it. These impurities were generated through a chemical reaction between thymopentin and B12.