Lipitor is a brand name for the drug atorvastatin, which is a type of medication called a statin that is used to lower cholesterol levels in the blood. According to DrugPatentWatch [1], the patent for Lipitor expired in 2011, which means that generic versions of atorvastatin are now available. This has led to a decrease in the cost of atorvastatin and an increase in the number of people taking the medication.

However, some people may not be able to take atorvastatin due to side effects or other health concerns. In these cases, there are several alternatives to Lipitor that may be effective in lowering cholesterol levels. GoodRx [2] suggests that some of the most common alternatives to statins include bile acid sequestrants, such as cholestyramine and colestipol, which work by binding to bile acids in the intestine and preventing them from being reabsorbed into the bloodstream. Another alternative is ezetimibe, which works by blocking the absorption of cholesterol in the small intestine.

The British Heart Foundation [3] also suggests that plant sterols and stanols, which are found in certain foods and supplements, can help to lower cholesterol levels. These compounds are similar in structure to cholesterol and can help to block its absorption in the gut. Other alternatives to statins include fibrates, such as gemfibrozil and fenofibrate, which work by reducing the production of triglycerides in the liver.

In conclusion, while atorvastatin (Lipitor) is a commonly prescribed medication for lowering cholesterol levels, there are several alternatives available for those who cannot take it due to side effects or other health concerns. These alternatives include bile acid sequestrants, ezetimibe, plant sterols and stanols, and fibrates. It is important to consult with a healthcare provider to determine the best course of treatment for individual cases.

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