Lipitor is a brand name for atorvastatin, a medication that is used to lower cholesterol levels in the blood. According to the sources provided, there are some potential interactions between Lipitor and certain herbs.

The first source [1] provides information about the patent status of Lipitor, but does not provide any information about interactions with herbs.

The second source [2] is a research article that discusses the safety and efficacy of atorvastatin. While the article does not specifically address interactions with herbs, it does mention that atorvastatin can interact with other medications, including those used to treat fungal infections, HIV, and hepatitis C. The article also notes that patients taking atorvastatin should inform their healthcare provider of all medications they are taking, including over-the-counter drugs and supplements.

The third source [3] is a patient information leaflet from the UK's National Health Service (NHS) that provides information about atorvastatin, including potential interactions with other medications and herbal supplements. The leaflet notes that St. John's wort, a herbal supplement commonly used to treat depression, can reduce the effectiveness of atorvastatin. The leaflet also advises patients to inform their healthcare provider if they are taking any herbal supplements, as they may interact with atorvastatin.

In summary, while there is limited information available about interactions between Lipitor and herbs, it is important for patients taking atorvastatin to inform their healthcare provider of all medications and supplements they are taking, including herbal supplements. Patients should be particularly cautious when taking St. John's wort, as it may reduce the effectiveness of atorvastatin.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4593660/
[3] https://www.nhs.uk/medicines/atorvastatin/taking-atorvastatin-with-other-medicines-and-herbal-supplements/