Lipitor is a brand name for atorvastatin, which is a medication used to lower cholesterol levels in the blood [1]. Probiotics are live microorganisms that can be beneficial to the body when taken in adequate amounts [3]. According to Drugs.com, there are no known interactions between atorvastatin and probiotics [2]. Therefore, it is generally safe to take Lipitor and probiotics together. However, it is always recommended to consult with a healthcare professional before starting any new medication or supplement regimen. The duration of taking Lipitor and probiotics together should be determined by a healthcare professional based on individual needs and medical history.

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.medicalnewstoday.com/articles/236068