Lipitor, also known as atorvastatin, is a medication that belongs to a class of drugs called statins. Statins are used to lower cholesterol levels in the blood. According to the Mayo Clinic [2], statins work by blocking a substance that your liver needs to make cholesterol. This causes your liver to remove cholesterol from your blood, which in turn lowers your cholesterol levels.

The CDC [3] recommends that people with high cholesterol levels should consider taking medication, such as statins, in addition to making lifestyle changes. They state that statins are effective at lowering LDL (bad) cholesterol levels and can reduce the risk of heart attack and stroke.

While Lipitor has been shown to be effective at lowering cholesterol levels, it is important to note that individual results may vary. According to Drug Patent Watch [1], clinical studies have shown that Lipitor can reduce LDL cholesterol levels by 39-60%. However, it is important to work with a healthcare provider to determine the appropriate dosage and to monitor cholesterol levels regularly.

In conclusion, Lipitor has been shown to be effective at lowering cholesterol levels in clinical studies. However, individual results may vary and it is important to work with a healthcare provider to determine the appropriate dosage and to monitor cholesterol levels regularly. It is also important to make lifestyle changes, such as eating a healthy diet and exercising regularly, in addition to taking medication to manage cholesterol levels.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/statins/art-20045772
[3] https://www.cdc.gov/cholesterol/treating_cholesterol.htm