Lipitor is a medication used to lower cholesterol levels in the body. According to a study published in Frontiers in Microbiology [3], Lipitor can alter the gut microbiota. The study found that Lipitor treatment in mice led to a decrease in the abundance of certain gut bacteria, including Lactobacillus and Bifidobacterium. Additionally, Lipitor treatment was associated with an increase in the abundance of other bacteria, including Desulfovibrio and Enterococcus.

The study suggests that the changes in gut microbiota induced by Lipitor may contribute to the medication's cholesterol-lowering effects. The study also suggests that the changes in gut microbiota may have other health implications, as alterations in gut microbiota have been linked to a variety of health conditions, including obesity, diabetes, and inflammatory bowel disease.

It is important to note that the study was conducted in mice, and further research is needed to determine if the same effects occur in humans. Additionally, the study did not investigate the mechanism by which Lipitor alters gut microbiota.

Sources:
[3] https://www.frontiersin.org/articles/10.3389/fmicb.2019.01947/full
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7290826/
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR