Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels in the blood. It belongs to a class of drugs called statins [1]. While it is generally safe to take Lipitor as prescribed, there are potential risks associated with combining it with certain herbs.

According to Mayo Clinic [2], some herbal supplements can interact with Lipitor and increase the risk of side effects. For example, St. John's wort can decrease the effectiveness of Lipitor and increase the risk of muscle pain and liver damage. Garlic supplements can also interact with Lipitor and increase the risk of bleeding. Additionally, grapefruit juice can increase the level of Lipitor in the blood, which can increase the risk of side effects.

The NHS [3] also warns that certain medications and herbal supplements can interact with Lipitor and increase the risk of side effects. For example, taking Lipitor with certain antibiotics, antifungal medications, and HIV medications can increase the risk of muscle pain and liver damage. Some herbal supplements, such as echinacea and ginkgo biloba, can also interact with Lipitor and increase the risk of bleeding.

It is important to talk to a healthcare provider before taking any herbal supplements while on Lipitor. They can provide guidance on which supplements are safe to take and which should be avoided. It is also important to inform healthcare providers of all medications and supplements being taken to avoid potential interactions.

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/