Lipitor is a brand name for the medication atorvastatin, which is used to lower cholesterol levels in the body [1]. According to the American Heart Association, statins like Lipitor are generally safe and well-tolerated by most people, but like any medication, they can have side effects [3]. Some of the common side effects of Lipitor include muscle pain, weakness, and tenderness, and digestive problems such as nausea, diarrhea, and constipation [3].

It is important to note that consuming high-fat foods while taking Lipitor may increase the risk of certain side effects. This is because Lipitor works by inhibiting an enzyme in the liver that is responsible for producing cholesterol, and consuming high-fat foods can increase the amount of cholesterol that the liver produces, which can lead to higher levels of cholesterol in the blood [2]. Additionally, consuming grapefruit or grapefruit juice while taking Lipitor can increase the amount of the medication in the bloodstream, which can increase the risk of side effects [3].

However, it is important to consult with a healthcare provider before making any changes to your diet or medication regimen. They can provide personalized recommendations based on your individual health status and needs.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.uhhospitals.org/blog/articles/2020/12/are-statins-really-worth-taking-for-high-cholesterol
[3] https://www.heart.org/en/health-topics/cholesterol/prevention-and-treatment-of-high-cholesterol-hyperlipidemia/cholesterol-medications