Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels in the body. According to the sources provided, it is recommended to take Lipitor with or without food, but it is preferable to take it at the same time every day [2][3]. Therefore, it is possible to take Lipitor with snacks, as long as it is taken at the same time every day. However, it is important to note that certain foods, such as grapefruit or grapefruit juice, can interact with Lipitor and increase the risk of side effects [3]. It is recommended to avoid consuming grapefruit or grapefruit juice while taking Lipitor. It is also important to follow the dosage and administration instructions provided by a healthcare professional [2].

Sources:
[2] https://www.nhs.uk/medicines/atorvastatin/how-and-when-to-take-atorvastatin/
[3] https://www.drugs.com/medical-answers/eat-food-taking-atorvastatin-3565628/
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR