According to the sources provided, Lipitor is a medication used to lower cholesterol levels in the blood. It works by inhibiting an enzyme that is responsible for producing cholesterol in the liver [1]. There is no mention of Lipitor causing food cravings in the sources provided. However, one of the side effects of statins, including Lipitor, is muscle pain or weakness [3]. This can lead to a decrease in physical activity and potentially weight gain, which may cause an increase in appetite or food cravings. Additionally, dehydration can also cause food cravings [2]. Therefore, it is possible that individuals taking Lipitor may experience food cravings indirectly due to the medication's side effects or other factors such as dehydration. However, it is important to note that individual experiences may vary, and it is best to consult a healthcare provider if you have concerns about side effects related to Lipitor or any other medication.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.everydayhealth.com/news/unusual-signs-of-dehydration/
[3] https://www.goodrx.com/classes/statins/statin-side-effects