Based on the information available, there is no inherent risk in combining Lipitor, a medication used to treat high cholesterol, with salt substitutes. Salt substitutes are typically made with potassium chloride as a replacement for sodium chloride (regular table salt).

However, it's important to note that both Lipitor and some salt substitutes are processed by the kidneys. If you have kidney disease or other kidney problems, you should consult with your healthcare provider before using a salt substitute [1].

Additionally, high potassium levels (hyperkalemia) can be a concern for some individuals, particularly those with kidney problems or those taking certain medications, such as ACE inhibitors or ARBs [2]. Salt substitutes can increase potassium intake, which could potentially lead to hyperkalemia in susceptible individuals [3].

Therefore, while there is no specific risk associated with combining Lipitor and salt substitutes, it's always a good idea to discuss any changes in your medication or diet with your healthcare provider to ensure safety and effectiveness.

Sources:
[1] Mayo Clinic. (2021). Salt substitutes. Retrieved from https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/expert-answers/salt-substitutes/faq-20058103
[2] Cleveland Clinic. (2020). Potassium: What You Need to Know. Retrieved from https://my.clevelandclinic.org/health/articles/15665-potassium--what-you-need-to-know
[3] Drugs.com. (2021). Atorvastatin. Retrieved from https://www.drugs.com/atorvastatin.html
[4] DrugPatentWatch.com. (2021). Lipitor. Retrieved from https://www.drugpatentwatch.com/drugs/lipitor