Atorvastatin, marketed under the brand name Lipitor, is a medication used to lower cholesterol levels in the blood. It belongs to the statin class of drugs and is usually taken orally once a day. Probiotics, on the other hand, are live microorganisms that provide health benefits when consumed in adequate amounts.

According to drugs.com [2], there are no known interactions between atorvastatin and probiotics. However, it is always recommended to consult a healthcare professional before taking any new medication or supplement, including probiotics, to avoid potential interactions or adverse effects.

Drugpatentwatch [1] lists the patent information and expiration date of Lipitor, but it does not provide any information about its interactions with probiotics.

Express Scripts [3] mentions that Pfizer's COVID-19 pill, Paxlovid, may interact with certain medications, including atorvastatin, but it does not mention any interactions with probiotics.

In conclusion, based on the sources provided, there are no known interactions between atorvastatin (Lipitor) and probiotics. However, it is always advisable to consult a healthcare professional before taking any new medication or supplement to avoid potential interactions or adverse effects.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.drugs.com/drug-interactions/atorvastatin-with-probiotic-formula-276-0-3205-15943.html
[3] https://www.express-scripts.com/pharmacy/blog/pfizers-covid-19-pill-and-medication-interactions