Lipitor is a medication that belongs to a group of drugs called statins, which are used to lower cholesterol levels in the blood. According to Drug Patent Watch [1], the patent for Lipitor expired in 2011, and it is now available as a generic drug called atorvastatin. The time it takes for Lipitor or atorvastatin to show results may vary depending on the individual's cholesterol levels and lifestyle habits.

A low-fat diet is often recommended along with statin therapy to help lower cholesterol levels. A study published in the National Center for Biotechnology Information [2] suggests that a low-fat diet can significantly reduce cholesterol levels in the blood, especially in individuals with high cholesterol levels. However, the study does not provide a specific timeline for when results can be expected.

According to a blog post by University Hospitals [3], the benefits of statins, including Lipitor, can be seen within weeks to months of starting treatment. However, the post also notes that lifestyle changes, such as adopting a low-fat diet and increasing physical activity, are crucial for long-term management of high cholesterol levels.

In conclusion, the time it takes for Lipitor or atorvastatin to show results may vary depending on the individual, and the benefits of a low-fat diet may also take time to manifest. However, combining statin therapy with lifestyle changes can lead to significant improvements in cholesterol levels and overall health.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1312230/
[3] https://www.uhhospitals.org/blog/articles/2020/12/are-statins-really-worth-taking-for-high-cholesterol