Lipitor is a medication that is used to lower cholesterol levels in the blood. According to the sources provided, there is no indication that Lipitor interacts with low-fat diets. However, it is important to note that a low-fat diet can help to reduce cholesterol levels and improve overall heart health, which may make Lipitor less necessary or effective.

Lipitor is a brand name for the generic drug atorvastatin [1]. It works by inhibiting an enzyme in the liver that is responsible for producing cholesterol [2]. According to the drug label provided by the FDA, Lipitor is typically prescribed in conjunction with a low-fat diet, exercise, and other lifestyle changes [3].

WebMD notes that a low-fat diet can help to reduce cholesterol levels, particularly LDL (low-density lipoprotein) cholesterol, which is often referred to as "bad" cholesterol [2]. However, there is no indication that Lipitor interacts with a low-fat diet in any way.

In summary, Lipitor is a medication that is commonly prescribed to lower cholesterol levels. While it is typically prescribed in conjunction with a low-fat diet, there is no indication that it interacts with such a diet. However, a low-fat diet can be beneficial for reducing cholesterol levels and improving overall heart health.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.webmd.com/drugs/2/drug-3330/lipitor-oral/details
[3] https://www.accessdata.fda.gov/drugsatfda_docs/label/2009/020702s056lbl.pdf