There is no specific information available in the provided sources regarding a direct negative interaction between Lipitor (atorvastatin) and antioxidants found in avocados. Lipitor is a medication used to lower cholesterol levels, while avocados contain antioxidants like vitamin E. It is generally safe to consume avocados while taking Lipitor unless an individual has a specific allergy or sensitivity to avocados. As always, it is recommended to consult with a healthcare provider or pharmacist before making any significant changes to your diet or medication regimen to ensure safety and efficacy.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10058246/
[3] https://www.mountsinai.org/health-library/supplement/vitamin-e