Lipitor is a brand name for atorvastatin, a medication used to lower cholesterol levels in the blood. Grapefruit juice contains compounds that can interfere with the enzymes responsible for breaking down certain drugs in the body, including Lipitor. According to [2], consuming grapefruit juice with Lipitor can increase the level of the drug in the bloodstream, which can lead to an increased risk of side effects such as muscle pain and liver damage. Therefore, it is generally recommended to avoid consuming grapefruit juice while taking Lipitor. However, the extent of the interaction can vary depending on the individual and the amount of grapefruit juice consumed. It is advisable to consult a healthcare provider before consuming grapefruit juice or any other citrus fruit while taking Lipitor. According to [3], it is also important to note that the interaction between grapefruit juice and Lipitor is not unique to this medication and can occur with other statins as well. Patients should also be cautious when taking other medications that can interact with grapefruit juice.

Sources:
[2] https://www.verywellhealth.com/can-i-take-lipitor-or-zocor-with-grapefruit-juice-1124045
[3] https://ro.co/health-guide/lipitor-and-grapefruit/