Based on the available information, there is no specific mention of unique Lipitor (atorvastatin) dosing for swimmers or any athletes due to physical activity. Lipitor is a medication used to treat high cholesterol levels, and its dosage is typically determined based on the individual's medical condition, age, response to treatment, and other factors [1].

The article from the American Diabetes Association discusses the relationship between physical activity, exercise, and diabetes, but it does not mention Lipitor or any statins [2]. Similarly, the study about the effects of exercise on lipid oxidation and lipoprotein metabolism does not discuss Lipitor or any medications [3].

However, it is essential to note that any changes in medication dosage, including Lipitor, should be determined in consultation with a healthcare professional. Physical activity can affect a person's response to medication, and healthcare providers should consider this when prescribing and monitoring treatment [2].

In summary, there is no specific information suggesting that swimmers or athletes require unique Lipitor dosing due to physical activity. However, it is crucial to consult a healthcare professional for personalized advice regarding medication dosage and physical activity.

Sources:
[1] DrugPatentWatch. (n.d.). Lipitor. Retrieved from https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] Colberg, S. R., Sigal, R. J., Yardley, J. E., Riddell, M. C., Rubin, R. R., Chasan-Taber, L., ... & Tate, D. F. (2016). Physical activity/exercise and diabetes: a position statement of the American Diabetes Association. Diabetes care, 39(11), 2065-2079.
[3] Dencker, M., Haram, P., Kjaer, M., & Dela, F. (2012). Effects of exercise on lipid oxidation and lipoprotein metabolism. Proceedings of the Nutrition Society, 71(2), 220-227.