Lipitor is a brand name for atorvastatin, a medication used to lower cholesterol levels. According to Drug Patent Watch [1], Lipitor is a statin drug that works by blocking the production of cholesterol in the liver. It is generally safe and effective for most people, but it may interact with other substances, including alcohol and grapefruit juice.

Alcohol consumption can have both positive and negative effects on cholesterol levels. Moderate alcohol consumption, defined as up to one drink per day for women and up to two drinks per day for men, may raise levels of high-density lipoprotein (HDL) or "good" cholesterol, which can help protect against heart disease. However, excessive alcohol consumption can increase triglycerides and lower HDL levels, which can increase the risk of heart disease [2].

According to Sutter Health [2], drinking alcohol in moderation while taking Lipitor is generally safe. However, heavy drinking can increase the risk of liver damage and may interfere with the drug's effectiveness. It is important to talk to a doctor about alcohol consumption and any potential interactions with Lipitor.

Additionally, Health Harvard [3] suggests that while moderate alcohol consumption may not have a significant effect on the effectiveness of statins, heavy drinking can increase the risk of liver damage and may interfere with the drug's ability to lower cholesterol levels.

In conclusion, moderate alcohol consumption while taking Lipitor is generally safe, but excessive alcohol consumption can increase the risk of liver damage and may interfere with the drug's effectiveness. It is important to talk to a doctor about alcohol consumption and any potential interactions with Lipitor.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.sutterhealth.org/ask-an-expert/answers/alcohol-consumption-high-cholesterol
[3] https://www.health.harvard.edu/newsletter_article/do-alcohol-and-statins-mix