Lipitor, a medication used to treat high cholesterol, is not directly linked to improving Pilates efficiency. Lipitor, also known as atorvastatin, is a type of statin that works by lowering the levels of low-density lipoprotein (LDL), or "bad" cholesterol, and triglycerides in the blood [1].

Pilates, on the other hand, is a form of exercise that focuses on improving flexibility, strength, and body awareness [3]. While regular exercise is recommended for individuals with high cholesterol, there is no specific evidence to suggest that Pilates has a unique impact on cholesterol levels or the effectiveness of Lipitor [2][3].

However, engaging in regular physical activity, such as Pilates, can help manage high cholesterol by improving overall cardiovascular health and promoting weight loss [2]. This, in turn, may reduce the dosage or dependency on medications like Lipitor.

In conclusion, Lipitor does not directly impact Pilates efficiency for high cholesterol. However, incorporating Pilates into a regular exercise routine can complement the effects of Lipitor by improving cardiovascular health and overall fitness.

Sources:
[1] <https://www.drugpatentwatch.com/p/tradename/LIPITOR>
[2] <https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4679305/>
[3] <https://www.healthline.com/health/high-cholesterol/treating-with-statins/best-exercises>