Lipitor is a brand name for the drug atorvastatin, which is used to lower cholesterol levels in the blood [1]. Avocado is a fruit that is known to have many health benefits, including reducing cholesterol levels in the blood [2]. However, there is no evidence to suggest that avocado can affect the effectiveness of Lipitor.

According to a study published in the National Center for Biotechnology Information, atorvastatin was found to be effective in reducing cholesterol levels in patients with hypercholesterolemia [2]. The study also reported that avocado consumption had a positive effect on reducing LDL cholesterol levels in the blood.

The Mayo Clinic recommends a healthy diet that includes fruits, vegetables, whole grains, lean proteins, and healthy fats such as those found in avocados, to help lower cholesterol levels in the blood [3]. However, it is important to note that dietary changes alone may not be enough to lower cholesterol levels, and medication such as Lipitor may be necessary in some cases.

In conclusion, while avocado consumption may have a positive effect on reducing cholesterol levels in the blood, there is no evidence to suggest that it can affect the effectiveness of Lipitor. It is important to follow a healthy diet and take any prescribed medication as directed by a healthcare provider to manage high cholesterol levels.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7023362/
[3] https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/cholesterol/art-20045192