Lipitor is a medication used to lower cholesterol levels in the blood. According to DrugPatentWatch [1], Lipitor's active ingredient is atorvastatin, and it works by blocking an enzyme that the body uses to make cholesterol. The effectiveness of Lipitor in reducing cholesterol levels in the blood has been studied in various high-fat diets.

A study published in Lipids in Health and Disease [2] evaluated the effects of atorvastatin on lipid metabolism in rats fed a high-fat diet. The study found that atorvastatin was effective in reducing the levels of total cholesterol, LDL cholesterol, and triglycerides in the blood of rats fed a high-fat diet. The study concluded that atorvastatin could be useful in managing dyslipidemia in individuals with a high-fat diet.

Another study published in the Journal of Clinical Lipidology [3] evaluated the effectiveness of atorvastatin in reducing LDL cholesterol levels in patients with hypercholesterolemia who followed a high-fat diet. The study found that atorvastatin was effective in reducing LDL cholesterol levels in patients with hypercholesterolemia who followed a high-fat diet.

In conclusion, Lipitor's active ingredient, atorvastatin, has been shown to be effective in reducing cholesterol levels in the blood of individuals with a high-fat diet. However, it is important to note that Lipitor should be used as part of a comprehensive treatment plan that includes a healthy diet and exercise. Additionally, Lipitor may not be suitable for everyone, and individuals should consult with their healthcare provider before taking any medication.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://lipidworld.biomedcentral.com/articles/10.1186/1476-511X-10-23
[3] https://pubmed.ncbi.nlm.nih.gov/31495848/