Based on the information available, there are no general dietary restrictions for individuals prescribed Lipitor (atorvastatin), a cholesterol-lowering medication. However, patients using Lipitor should follow a heart-healthy diet as part of their overall treatment plan [1]. This typically includes limiting the intake of saturated fats, trans fats, and cholesterol [1][2].

Additionally, patients taking Lipitor may be advised to avoid or limit grapefruit and grapefruit juice, as it may interact with the medication and increase the risk of side effects [1][2]. The interaction occurs due to certain compounds in grapefruit that can inhibit the metabolism of Lipitor in the body, leading to higher concentrations of the drug in the bloodstream [1].

In summary, while there are no specific dietary restrictions for Lipitor users, it is essential to maintain a heart-healthy diet and avoid or limit grapefruit and grapefruit juice. Patients should consult their healthcare provider for personalized advice regarding dietary habits and potential interactions with medications.

Sources:
[1] "Lipitor Interactions." Drugs.com, <https://www.drugs.com/drug-interactions/lipitor,grapefruit-juice.html>.
[2] "Lipitor." MedlinePlus, U.S. National Library of Medicine, 21 Jan. 2022, <https://medlineplus.gov/druginfo/meds/a601265.html>.