Lipitor is a brand name for the drug atorvastatin, which is used to lower cholesterol levels in the body. According to Drug Patent Watch [1], the patent for Lipitor expired in 2011, which means that generic versions of atorvastatin are available in the market. Atorvastatin is available under different brand names, and it is possible to substitute Lipitor with a cheaper generic version of atorvastatin.

GoodRx [2] lists several generic versions of atorvastatin that are available at lower prices compared to Lipitor. The prices for these generic versions vary depending on the pharmacy and location. It is recommended to check with the pharmacy to find the best price for the medication.

According to the British Heart Foundation [3], there are other cholesterol-lowering alternatives to atorvastatin, such as statins like simvastatin, pravastatin, and rosuvastatin. There are also non-statin medications like ezetimibe and bile acid sequestrants. However, it is important to note that the effectiveness and side effects of these medications may vary, and it is essential to consult a healthcare professional before making any changes to the medication.

In conclusion, it is possible to substitute Lipitor with a cheaper generic version of atorvastatin, and there are also other cholesterol-lowering alternatives available. However, it is crucial to consult a healthcare professional before making any changes to the medication.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.goodrx.com/atorvastatin/what-is
[3] https://www.bhf.org.uk/informationsupport/heart-matters-magazine/medical/cholesterol-lowering-alternatives