Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels in the body. According to the NHS, it is generally safe to take atorvastatin with most other medications and herbal remedies. However, there are some exceptions that should be noted.

One example is St. John's Wort, which is a herbal remedy commonly used to treat depression. According to the Mayo Clinic, St. John's Wort can interfere with the effectiveness of many medications, including atorvastatin. It is recommended that individuals taking atorvastatin avoid using St. John's Wort.

Another potential interaction to be aware of is with grapefruit juice. The NHS warns that drinking grapefruit juice while taking atorvastatin can increase the risk of side effects. It is recommended to avoid drinking grapefruit juice or eating grapefruit while taking this medication.

Overall, while atorvastatin can interact with some medications and herbal remedies, it is generally considered safe to take with most other substances. However, it is always recommended to consult with a healthcare provider before starting any new medication or supplement regimen.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.mayoclinic.org/healthy-lifestyle/consumer-health/in-depth/herbal-supplements/art-20046488
[3] https://www.nhs.uk/medicines/atorvastatin/taking-atorvastatin-with-other-medicines-and-herbal-supplements/