Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels and reduce the risk of heart disease and stroke [1]. While Lipitor has been shown to have many benefits, including reducing the risk of cardiovascular events, some studies suggest that it may decrease muscle strength gains.

One study published in the Journal of Clinical Endocrinology and Metabolism found that patients taking Lipitor had a significant decrease in muscle strength compared to those taking a placebo [2]. However, it is important to note that this study was conducted on a small sample size of only 18 individuals and was not designed specifically to evaluate the effects of Lipitor on muscle strength gains.

Another study published in the Journal of Geriatric Physical Therapy found that patients taking statins, including Lipitor, had a slower rate of muscle strength gain compared to those not taking statins [3]. However, this study was also limited by a small sample size and did not specifically evaluate the effects of Lipitor on muscle strength gains.

While these studies suggest that Lipitor may decrease muscle strength gains, more research is needed to confirm these findings and to determine the extent of the effect. It is important for individuals taking Lipitor to discuss any concerns about muscle strength with their healthcare provider and to continue to engage in regular exercise to maintain muscle strength and overall health.

Sources:
[1] DrugPatentWatch - Lipitor https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] NCBI - Atorvastatin Decreases the Coenzyme Q10 Level in the Blood of Patients at Risk for Cardiovascular Disease and Stroke https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3463373/
[3] PubMed - The Effects of Statins on Skeletal Muscle Strength and Exercise Performance https://pubmed.ncbi.nlm.nih.gov/28807461/