Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels in the body. According to the sources provided, Lipitor is a widely used medication and has been effective for many people in reducing their cholesterol levels.

However, it is important to note that the effectiveness of Lipitor may vary depending on the individual and their specific medical condition. While Lipitor has been effective for many people, it may not be the most effective medication for everyone.

There are other medications available that may be more effective for certain individuals, and it is important to consult with a healthcare provider to determine the best course of treatment.

Overall, Lipitor is a commonly prescribed medication for reducing cholesterol levels and has been effective for many people. However, its effectiveness may vary depending on the individual and their specific medical condition. It is important to consult with a healthcare provider to determine the best course of treatment.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.healthline.com/health/drugs/lipitor
[3] https://www.goodrx.com/atorvastatin/what-is