Lipitor is a brand name for the drug atorvastatin, which is used to lower cholesterol levels and reduce the risk of heart disease [1]. According to a Harvard Health Letter, moderate alcohol consumption does not interfere with the effectiveness of statins like Lipitor. However, heavy alcohol consumption can increase the risk of liver damage and muscle injury, which are already potential side effects of statins [2]. The SingleCare blog also advises that it is best to avoid drinking large amounts of alcohol while taking Lipitor, as it can increase the risk of side effects such as liver damage and muscle pain [3]. The sources suggest that while moderate alcohol consumption may not have adverse reactions with Lipitor, it is best to avoid excessive alcohol consumption to prevent potential harm. It is important to consult with a healthcare provider before combining Lipitor with alcohol or any other medication.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.health.harvard.edu/newsletter_article/do-alcohol-and-statins-mix
[3] https://www.singlecare.com/blog/lipitor-and-alcohol/