According to the sources provided, there is no evidence to suggest that essential oils can affect the effectiveness of Lipitor. Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels in the blood. Essential oils, on the other hand, are highly concentrated plant extracts that are commonly used in aromatherapy and other alternative medicine practices.

While there is some concern that essential oils may interact with certain medications, including Lipitor, there is currently no scientific evidence to support this claim. In fact, a study published in the Journal of Pharmacy and Pharmacology found that essential oils had no significant effect on the absorption of atorvastatin in rats [3].

However, it is always important to consult with a healthcare provider before using essential oils or any other alternative therapies in conjunction with prescription medications. Some essential oils may have potential side effects or interactions with certain medications, so it is important to proceed with caution and seek professional guidance.

In conclusion, based on the sources provided, there is no evidence to suggest that essential oils can affect the effectiveness of Lipitor. However, it is important to consult with a healthcare provider before using essential oils or any other alternative therapies in conjunction with prescription medications.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.thriveap.com/blog/can-essential-oils-interfere-prescriptions-youre-writing
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6497409/