Lipitor is a brand name for the medication atorvastatin, which is a type of statin used to lower cholesterol levels. According to Drug Patent Watch [1], the patent for Lipitor expired in 2011, which means that generic versions of atorvastatin are now available. GoodRx [2] suggests that some of the most commonly prescribed alternatives to Lipitor include simvastatin, rosuvastatin, and pravastatin. These medications work similarly to atorvastatin by blocking the enzyme that produces cholesterol in the liver. It is important to note that the effectiveness and side effects of these medications may vary depending on the individual, and it is recommended to consult with a healthcare provider to determine the best treatment plan. Additionally, the British Heart Foundation [3] suggests that lifestyle changes such as a healthy diet, regular exercise, and quitting smoking can also help to lower cholesterol levels.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.goodrx.com/conditions/high-cholesterol/statins-alternatives-medications-for-lowering-high-cholesterol
[3] https://www.bhf.org.uk/informationsupport/heart-matters-magazine/medical/cholesterol-lowering-alternatives