Based on the provided sources, there is no direct information that specifically addresses the safety of consuming plant milk while taking Lipitor (atorvastatin). However, we can analyze the information provided to form an informed answer.

Lipitor is a brand name for the drug atorvastatin, which is commonly prescribed to lower cholesterol levels and reduce the risk of heart disease [1]. The National Health Service (NHS) in the UK suggests that it is generally safe to take atorvastatin with most foods and drinks, including herbal teas [2]. However, it is advised to avoid consuming grapefruit juice as it can interfere with the metabolism of atorvastatin and increase its concentration in the bloodstream, potentially leading to adverse effects [2].

Plant milk, such as almond milk, soy milk, or oat milk, is a non-dairy alternative to cow's milk. These plant-based milk products are generally considered safe for consumption and are commonly used as substitutes for dairy milk in various diets, including those for individuals with high cholesterol levels [3].

While there is no direct information on the interaction between plant milk and Lipitor, it is important to note that plant milk is not known to have any specific adverse effects or interactions with medications. However, it is always recommended to consult with a healthcare professional or pharmacist to ensure that there are no specific concerns or interactions based on an individual's unique medical history or condition.

In conclusion, based on the available information, it is likely safe to consume plant milk while taking Lipitor (atorvastatin). However, it is always advisable to consult with a healthcare professional for personalized advice.

Sources:
[1] DrugPatentWatch. Lipitor. Retrieved from: https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] NHS. Atorvastatin: Taking atorvastatin with other medicines and herbal supplements. Retrieved from: https://www.nhs.uk/medicines/atorvastatin/taking-atorvastatin-with-other-medicines-and-herbal-supplements/
[3] Harvard Health Publishing. Help for your cholesterol when the statins won't do. Retrieved from: https://www.health.harvard.edu/newsletter_article/help-for-your-cholesterol-when-the-statins-wont-do