Lipitor is a medication used to lower cholesterol levels in the body [1]. However, it is not clear whether it can hinder weightlifting performance. One study published in the Journal of Sports Science and Medicine found that statins, a class of drugs that includes Lipitor, can reduce muscle strength and endurance in some individuals [3]. The study concluded that statins can affect muscle function, and athletes should be aware of this potential side effect. However, the study did not specifically look at Lipitor and its effects on weightlifting performance. Another study published in the Journal of Clinical Lipidology found that Lipitor did not have a significant impact on muscle strength or endurance in older adults [2]. The study concluded that Lipitor was safe and well-tolerated in this population.

In summary, while some studies suggest that statins, including Lipitor, can affect muscle function, it is not clear whether Lipitor can hinder weightlifting performance. Athletes should be aware of the potential side effects of statins and talk to their doctor if they have any concerns about their medication.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3463373/
[3] https://pubmed.ncbi.nlm.nih.gov/28807461/