Lipitor is a medication used to lower cholesterol levels in the body. It belongs to a class of drugs called statins. According to the sources provided, there are some herbal remedies that may interact with Lipitor.

The first source [1] provides information about Lipitor and its patents. It does not provide any information about herbal remedies that interact with Lipitor.

The second source [2] is a research article that discusses the potential interactions between statins, including Lipitor, and herbal remedies. The article suggests that some herbal remedies, such as St. John's wort, guggulipid, and garlic, may interact with statins and affect their efficacy. St. John's wort, for example, can increase the metabolism of statins and reduce their effectiveness. Guggulipid and garlic can also affect the metabolism of statins and increase the risk of side effects.

The third source [3] is a patient information leaflet provided by the NHS. It states that some herbal remedies, such as St. John's wort, echinacea, and ginkgo biloba, may interact with Lipitor and reduce its effectiveness. The leaflet also warns that grapefruit juice should be avoided while taking Lipitor as it can increase the risk of side effects.

In summary, while the first source [1] does not provide any information about herbal remedies that interact with Lipitor, the second [2] and third [3] sources suggest that some herbal remedies, such as St. John's wort, guggulipid, garlic, echinacea, and ginkgo biloba, may interact with Lipitor and affect its efficacy. It is important to consult with a healthcare provider before taking any herbal remedies while on Lipitor or any other medication.

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/