Lipitor is a brand name for atorvastatin, which is a medication used to lower cholesterol levels in the blood. Salt substitutes are used as a replacement for regular table salt, which is high in sodium. There are no known interactions between Lipitor and salt substitutes [1]. However, it is important to note that some salt substitutes contain potassium chloride, which can be harmful to people with certain medical conditions, such as kidney disease. Additionally, some foods that are high in potassium, such as bananas and oranges, should be avoided or limited while taking Lipitor because they can interfere with the medication's effectiveness [2]. It is important to consult with a healthcare provider before making any changes to your diet or medication regimen [3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.nkch.org/blog/foods-that-can-fool-with-your-meds
[3] https://www.ahajournals.org/doi/full/10.1161/CIRCRESAHA.118.312782