There is no evidence to suggest that Lipitor affects the effectiveness of probiotics. Lipitor is a medication used to lower cholesterol levels in the blood, while probiotics are live microorganisms that can provide health benefits when consumed in adequate amounts. While Lipitor may have side effects such as diarrhea, abdominal pain, and nausea [1], there is no evidence to suggest that it interferes with the effectiveness of probiotics.

According to a study published in the National Center for Biotechnology Information, probiotics can be used to improve the gut microbiota, which can be disrupted by various factors such as antibiotics, stress, and a poor diet [2]. However, the study did not find any evidence to suggest that Lipitor affects the effectiveness of probiotics.

Another article from Medical News Today suggests that probiotics can be beneficial for people taking cholesterol-lowering medications such as Lipitor. The article explains that probiotics can help reduce inflammation, which is a risk factor for heart disease, and can also improve gut health, which can help improve overall health [3].

In conclusion, there is no evidence to suggest that Lipitor affects the effectiveness of probiotics. While Lipitor may have side effects, there is no indication that it interferes with the benefits of probiotics. Probiotics can be beneficial for people taking cholesterol-lowering medications such as Lipitor, as they can help improve gut health and reduce inflammation.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2904929/
[3] https://www.medicalnewstoday.com/articles/236068