Based on the available information, there is no explicit warning against combining Lipitor and probiotic supplements. Lipitor, also known as atorvastatin, is a medication used to treat high cholesterol levels [1]. The drug's official patent information does not mention any interactions with probiotics [2].

However, the National Health Service (NHS) advises that Lipitor can interact with other medicines and herbal supplements, which may increase or decrease the effectiveness of atorvastatin or cause unwanted side effects [3]. Therefore, it is always recommended to consult with a healthcare provider before starting any new supplement or medication.

The Mayo Clinic provides a list of supplements and foods that can interact with statins, the class of drugs to which Lipitor belongs [4]. Probiotics are not explicitly mentioned in this list. Nonetheless, it is essential to remember that individual responses to medication and supplement interactions can vary.

In summary, while there is no explicit warning against combining Lipitor and probiotic supplements based on the available information, it is always best to consult with a healthcare provider before starting any new supplement or medication to ensure safety and effectiveness.

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