Lipitor is a medication used to lower cholesterol levels in the blood. Avocado is a fruit that is known for its high nutritional value and has been linked to various health benefits. There is no direct evidence to suggest that consuming avocado would affect the effectiveness of Lipitor [1][2][3]. However, it is important to note that consuming a healthy and balanced diet, including avocado, can help to improve overall heart health and reduce cholesterol levels [2][3]. Additionally, it is important to follow the prescribed dosage and instructions provided by a healthcare professional when taking Lipitor [1]. Overall, while there is no evidence to suggest that avocado would affect the effectiveness of Lipitor, it is important to maintain a healthy lifestyle to improve heart health and reduce cholesterol levels.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4330060/
[3] https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/cholesterol/art-20045192