Lipitor is a commonly prescribed medication for lowering cholesterol levels in the body. According to Drug Patent Watch [1], Lipitor contains atorvastatin, which works by blocking an enzyme that the liver uses to make cholesterol. While grapefruit juice is a healthy beverage, it can interact with some medications, including Lipitor [2]. Grapefruit juice can interfere with the liver's ability to break down Lipitor, leading to higher levels of the drug in the bloodstream and increasing the risk of side effects [3]. Therefore, it is generally recommended to avoid grapefruit juice while taking Lipitor [2][3]. However, it is important to note that other citrus fruits, such as oranges and limes, do not have the same effect on Lipitor and can be safely consumed [3]. In conclusion, it is safe to take Lipitor without grapefruit juice, and it is recommended to avoid consuming grapefruit juice while taking Lipitor to prevent any potential interactions and side effects.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.verywellhealth.com/can-i-take-lipitor-or-zocor-with-grapefruit-juice-1124045
[3] https://www.health.harvard.edu/heart-health/grapefruit-juice-and-statins