Lipitor is a medication used to treat high cholesterol levels, which can be caused by a high-fat diet. According to Drug Patent Watch [1], Lipitor's patent expired in 2011, meaning that generic versions of the drug are available. Lipitor works by inhibiting an enzyme in the liver that produces cholesterol.

The time it takes to see results with Lipitor can vary depending on the individual's diet and lifestyle. According to a study published in the Journal of the American Heart Association [2], Lipitor was effective in reducing cholesterol levels in patients with high cholesterol levels, regardless of whether they followed a low-fat or high-fat diet. The study found that patients who took Lipitor for six weeks had a significant reduction in LDL cholesterol levels compared to those who took a placebo.

However, it is important to note that taking Lipitor alone may not be enough to improve overall heart health. According to a cardiologist at Penn Medicine [3], while a high-fat diet can contribute to high cholesterol levels, other factors such as genetics, exercise, and stress also play a role. Therefore, it is recommended to make lifestyle changes in addition to taking Lipitor, such as exercising regularly and reducing stress levels.

In conclusion, Lipitor can be effective in reducing cholesterol levels in patients with high cholesterol caused by a high-fat diet. However, the time it takes to see results can vary depending on the individual's diet and lifestyle. It is also important to make lifestyle changes in addition to taking Lipitor to improve overall heart health.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6042009/
[3] https://www.pennmedicine.org/news/news-blog/2019/april/a-cardiologists-take-on-the-keto-diet