Lipitor and Crestor are both medications used to lower cholesterol levels in the blood. Lipitor contains atorvastatin, while Crestor contains rosuvastatin. Both drugs work by inhibiting the production of cholesterol in the liver, which helps to reduce the risk of heart attack and stroke.

According to a comparison of the two drugs on DrugPatentWatch [1], both Lipitor and Crestor are effective at reducing cholesterol levels. However, Crestor is generally considered to be more potent than Lipitor, meaning that it can lower cholesterol levels more effectively at lower doses.

Medical News Today [2] notes that while both drugs are effective, Crestor may be more effective at reducing LDL (bad) cholesterol levels than Lipitor. Additionally, Crestor may have fewer side effects than Lipitor, particularly when it comes to muscle pain and weakness.

SingleCare [3] notes that while both drugs are effective, they may be prescribed differently depending on the individual patient's needs. For example, Lipitor may be a better choice for patients who have a history of heart disease, while Crestor may be a better choice for patients with high cholesterol levels but no history of heart disease.

In conclusion, both Lipitor and Crestor are effective medications for reducing cholesterol levels. While Crestor may be more potent and have fewer side effects, the choice between the two drugs may depend on the individual patient's needs and medical history. It is important to consult with a healthcare provider to determine which medication is the best choice.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.medicalnewstoday.com/articles/drugs-lipitor-vs-crestor
[3] https://www.singlecare.com/blog/crestor-vs-lipitor/