Lipitor is a brand name for the drug atorvastatin, which is used to lower cholesterol levels in the blood. Potassium salt substitutes are often used by people with high blood pressure to help control their blood pressure levels.

According to the drug label provided by the FDA [2], there are no known interactions between Lipitor and potassium salt substitutes. However, it is important to note that the label advises patients to inform their healthcare provider of all medications, including over-the-counter drugs and supplements, that they are taking. This is because some medications may interact with Lipitor and affect its effectiveness or increase the risk of side effects.

Drugs.com [3] also confirms that there are no known interactions between Lipitor and losartan, a medication commonly used to treat high blood pressure. However, it is important to note that patients should still inform their healthcare provider of all medications they are taking, as there may be other factors that could affect their treatment.

In summary, there are no known adverse effects of taking Lipitor with potassium salt substitutes. However, patients should always inform their healthcare provider of all medications they are taking, including over-the-counter drugs and supplements, to ensure that there are no potential interactions that could affect their treatment.

Sources:
[2] https://www.accessdata.fda.gov/drugsatfda_docs/label/2011/022545s005lbl.pdf
[3] https://www.drugs.com/drug-interactions/lipitor-with-losartan-276-128-1489-0.html