There is no direct evidence to suggest that Lipitor, a cholesterol-lowering medication, has any impact on an individual's stretching ability. While maintaining a healthy lifestyle and exercising regularly can improve flexibility [2], there is no indication that Lipitor specifically improves stretching ability. Lipitor is designed to lower cholesterol levels and reduce the risk of heart disease [1]. While there is some evidence that statins, the class of drugs that includes Lipitor, may improve muscle function in certain cases [3], there is no direct evidence linking Lipitor to improved stretching ability. Therefore, it is important to consult with a healthcare provider to determine the best course of action for improving flexibility and overall health.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.everydayhealth.com/fitness/how-become-more-flexible-because-yes-its-important/
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2772998/