Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels in the blood. It is a prescription drug that belongs to the class of drugs called statins. According to the sources provided, there is no evidence to suggest that taking Lipitor while weightlifting is unsafe.

The first source, Drug Patent Watch [1], provides information on the patent status of Lipitor. It does not provide any information on the safety of Lipitor while weightlifting.

The second source, a study published in PubMed [2], examined the effects of atorvastatin on muscle strength and performance in healthy individuals. The study found that atorvastatin did not have a negative effect on muscle strength or performance in healthy individuals. However, the study did not specifically examine the effects of atorvastatin on individuals who weightlift.

The third source, the FDA label for Lipitor [3], provides information on the approved uses, dosages, and potential side effects of the medication. It does not provide any information on the safety of Lipitor while weightlifting.

In conclusion, based on the sources provided, there is no evidence to suggest that taking Lipitor while weightlifting is unsafe. However, individuals who weightlift and are taking Lipitor should consult with their healthcare provider to ensure that it is safe for them to continue taking the medication while engaging in weightlifting.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://pubmed.ncbi.nlm.nih.gov/28807461/
[3] https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/020702s073lbl.pdf