Lipitor is a brand name for atorvastatin, a medication used to lower cholesterol levels in the blood [1]. Fish oil is a supplement that contains omega-3 fatty acids, which have been shown to have potential benefits for heart health [2].

While fish oil may have some benefits for heart health, it is not a substitute for medication such as Lipitor. In fact, there is no evidence to suggest that fish oil can reduce the dosage of Lipitor or other statins [2].

It is important to note that any changes to medication dosage should only be made under the guidance of a healthcare professional. Patients should not attempt to self-treat with supplements such as fish oil without consulting a doctor first [3].

In summary, while fish oil may have some potential benefits for heart health, it is not a substitute for medication such as Lipitor. There is no evidence to suggest that fish oil can reduce the dosage of Lipitor or other statins, and any changes to medication dosage should only be made under the guidance of a healthcare professional [1][2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.medicalnewstoday.com/articles/fish-oil-vs-statins
[3] https://www.hopkinsmedicine.org/health/wellness-and-prevention/the-truth-about-4-popular-heart-health-supplements