Based on the information available, there is no known significant interaction between Lipitor (atorvastatin), a medication used to treat high cholesterol, and salt substitutes. Salt substitutes typically contain potassium chloride as a replacement for sodium.

However, it's important to note that certain conditions or medications can interact with potassium, which is a component of salt substitutes. For instance, individuals with kidney problems or those taking medications such as ACE inhibitors, angiotensin receptor blockers, or potassium-sparing diuretics should be cautious when using salt substitutes, as these can increase potassium levels in the body [1].

Always consult with a healthcare provider or pharmacist before starting any new medications or dietary supplements, including salt substitutes, to ensure they are safe and appropriate for your individual health situation.

Sources:
[1] DrugPatentWatch.com. (n.d.). Atorvastatin. Retrieved from https://www.drugpatentwatch.com/drugs/atorvastatin