Lipitor is a medication that is primarily used to lower cholesterol levels in the blood. It is not intended to improve flexibility. However, there is evidence that suggests that statins, the class of drugs to which Lipitor belongs, may have beneficial effects on skeletal muscle function and flexibility [2].

A study published in the Journal of Physiology found that statins, including Lipitor, improved muscle function and increased flexibility in rats [2]. However, it is important to note that this study was conducted on rats, and further research is needed to determine whether these findings are applicable to humans.

It is also worth noting that while Lipitor is a brand-name medication, there are now generic versions of the drug available [1][3]. These generic versions contain the same active ingredient as Lipitor and are just as effective at lowering cholesterol levels. However, it is important to speak with a healthcare provider before switching from a brand-name medication to a generic version.

In summary, while there is some evidence to suggest that statins, including Lipitor, may have beneficial effects on muscle function and flexibility, Lipitor is not intended to improve flexibility immediately. It is primarily used to lower cholesterol levels in the blood. Additionally, there are now generic versions of Lipitor available that are just as effective as the brand-name medication.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3463373/
[3] https://www.health.harvard.edu/blog/switching-to-generic-lipitor-201202064195