Lipitor is a medication that is commonly used to lower cholesterol levels and reduce the risk of heart disease [1]. According to the sources provided, changes in appetite are not a commonly reported side effect of Lipitor [2][3]. However, some individuals may experience gastrointestinal symptoms such as nausea, diarrhea, or constipation, which could potentially affect their appetite [2][3]. It is important to note that everyone may react differently to medications, and some individuals may experience side effects that are not commonly reported. If you are concerned about changes in your appetite while taking Lipitor, it is recommended that you speak with your healthcare provider [2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.healthline.com/health/drugs/lipitor-side-effects
[3] https://www.mayoclinic.org/drugs-supplements/atorvastatin-oral-route/side-effects/drg-20067003?p=1