Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood [1]. According to the sources provided, there are no specific dietary restrictions when taking Lipitor with salt substitutes. However, it is essential to be cautious with certain foods that may interact with Lipitor or the medication's accompanying drug quinapril.

The article from NKCH.org [2] warns that some foods can interfere with medications, including Lipitor. Grapefruit and grapefruit juice can increase the risk of side effects when consumed with Lipitor. Additionally, high-fat meals can reduce the effectiveness of Lipitor. Therefore, it is recommended to take Lipitor with a low-fat meal or at least one hour before or four hours after a high-fat meal.

The Drugs.com website [3] warns that quinapril, a medication used to treat high blood pressure, may interact with Lipitor. Taking Lipitor with quinapril may increase the risk of side effects, including muscle pain and weakness. It is recommended to avoid consuming salt substitutes containing potassium while taking quinapril, as this may lead to an increased risk of high potassium levels in the blood.

In conclusion, there are no specific dietary restrictions when taking Lipitor with salt substitutes. However, it is important to be cautious with certain foods that may interact with Lipitor or quinapril, such as grapefruit, high-fat meals, and salt substitutes containing potassium. It is always recommended to consult with a healthcare provider before making any significant changes to your diet while taking medications.

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.drugs.com/drug-interactions/lipitor-with-quinapril-276-128-1980-0.html