Lipitor is a medication used to lower cholesterol levels in the blood, and it is one of the most widely prescribed drugs in the world [1]. The drug's effectiveness is not directly related to the consumption of skim milk. However, studies have shown that the type of milk consumed can affect cholesterol levels in the body [2].

According to a study published in the American Journal of Clinical Nutrition, skim milk has been found to lower cholesterol levels in the body more effectively than whole milk [2]. This is because skim milk contains less fat than whole milk, and cholesterol is a type of fat that can accumulate in the body and lead to high cholesterol levels [2]. Therefore, consuming skim milk instead of whole milk may be beneficial for individuals taking Lipitor to manage their cholesterol levels.

It is important to note that while skim milk may be a healthier option for individuals with high cholesterol, it is not a substitute for medication such as Lipitor. Lipitor works by blocking an enzyme in the liver that is responsible for producing cholesterol [3]. This medication should be taken as prescribed by a healthcare professional, regardless of the type of milk consumed.

In conclusion, Lipitor's effectiveness is not directly related to the consumption of skim milk. However, consuming skim milk instead of whole milk may be beneficial for individuals with high cholesterol levels. It is important to remember that Lipitor is a medication that should be taken as prescribed by a healthcare professional, and any dietary changes should be discussed with a doctor.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1312230/
[3] https://www.everydayhealth.com/drugs/lipitor