According to the drug patent watch website [1], Lipitor (atorvastatin) is a prescription medication used to lower cholesterol levels in the blood. It works by blocking an enzyme that produces cholesterol in the liver. Drinking red wine while taking Lipitor may affect the drug's effectiveness. However, the interaction between red wine and Lipitor is not well-studied.

Harvard Health Publishing [2] reports that moderate alcohol consumption, including red wine, can have a beneficial effect on heart health by raising HDL (good) cholesterol levels and reducing the risk of heart disease. However, excessive alcohol consumption can lead to high blood pressure, liver disease, and other health problems.

Sutter Health [3] advises that people with high cholesterol should limit their alcohol intake to no more than one drink per day for women and two drinks per day for men. It is also important to talk to a healthcare provider before drinking alcohol while taking Lipitor or any other medication.

In conclusion, there is no clear evidence that red wine specifically decreases the effectiveness of Lipitor. However, excessive alcohol consumption can have negative effects on health and may interfere with the medication's effectiveness. Therefore, it is important to talk to a healthcare provider before drinking alcohol while taking Lipitor 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.sutterhealth.org/ask-an-expert/answers/alcohol-consumption-high-cholesterol