Lipitor is a medication used to lower cholesterol levels, while fish oil supplements contain omega-3 fatty acids that have been shown to have cardiovascular benefits. Combining these two substances may have potential side effects.

One study found that combining statins like Lipitor with fish oil supplements did not increase the risk of adverse effects, such as liver damage or muscle pain [3]. However, other studies have suggested that taking high doses of fish oil supplements in combination with statins may increase the risk of bleeding, especially in those who are already taking blood-thinning medications [2].

It is important to note that taking fish oil supplements is not a substitute for taking Lipitor or other statins prescribed by a doctor. While fish oil may have some cardiovascular benefits, it is not as effective at lowering cholesterol levels as statins [2].

It is recommended that individuals who are considering taking both Lipitor and fish oil supplements speak with their healthcare provider to discuss any potential risks and benefits. Additionally, it is important to follow the recommended dosages of both medications and supplements and to monitor for any signs of adverse effects [2][3].

Sources:
[2] Medical News Today. (2019, June 17). Fish oil vs. statins. Retrieved from https://www.medicalnewstoday.com/articles/fish-oil-vs-statins
[3] Lee, J. H., O'Keefe, J. H., Lavie, C. J., & Marchioli, R. (2011). Omega-3 fatty acids for cardioprotection. Mayo Clinic Proceedings, 86(4), 376-382. doi: 10.4065/mcp.2010.0710
[4] Drug Patent Watch. (n.d.). Lipitor. Retrieved from https://www.drugpatentwatch.com/p/tradename/LIPITOR