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Based on the information available, there is no evidence to suggest a direct interaction between orange juice and Lipitor (atorvastatin), a medication used to treat high cholesterol levels. However, it's important to note that grapefruit juice can interact with Lipitor and other statins, potentially leading to increased levels of the medication in the body and an increased risk of side effects [1].

Orange juice, on the other hand, does not appear to have the same effect. While both grapefruit and orange juice contain similar compounds, such as furanocoumarins, the impact of these compounds on drug metabolism may differ between the two juices [2].

It's always a good idea to consult with a healthcare provider or pharmacist before consuming large amounts of fruit juice or making significant changes to your diet while taking medication. They can provide personalized advice based on your individual health status and medication regimen.

In summary, based on the available information, there is no known interaction between orange juice and Lipitor. However, it's important to exercise caution when consuming grapefruit juice or other grapefruit products while taking Lipitor or other statins.

Sources:
[1] Drugs.com. (2021). Atorvastatin Interactions. Retrieved from <https://www.drugs.com/drug-interactions/atorvastatin,orange-juice.html>
[2] DrugPatentWatch. (2021). Grapefruit Juice and Drug Interactions. Retrieved from <https://www.drugpatentwatch.com/blog/grapefruit-juice-and-drug-interactions/>