Lipitor is a medication used to lower cholesterol levels in the blood. The active ingredient in Lipitor is atorvastatin [1]. According to a study published in the Journal of Clinical Endocrinology and Metabolism, statins, including Lipitor, may hinder muscle recovery after exercise [2]. This study found that statins can decrease the production of satellite cells, which are essential for muscle repair and growth. Additionally, statins may also cause muscle pain and weakness, which can further hinder muscle recovery after exercise [3].

It is important to note that not all individuals who take Lipitor or other statins will experience these side effects. However, if you are experiencing muscle pain or weakness while taking Lipitor, it is important to speak with your doctor. They may recommend adjusting your medication or changing your exercise routine to better support muscle recovery [3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2949584/
[3] https://www.goodrx.com/classes/statins/muscle-pain-statins-how-to-prevent-common-side-effect