There is no direct evidence to suggest that protein absorption is affected immediately after taking Lipitor (atorvastatin), a medication used to treat high cholesterol levels. Lipitor is a type of statin, a class of drugs that work by blocking a specific enzyme in the liver, thereby reducing the production of cholesterol [1].

The absorption, distribution, metabolism, and excretion of proteins and drugs in the human body are complex processes that involve various organs and systems. Protein absorption typically occurs in the small intestine, facilitated by transport proteins, and is generally not influenced by the presence of most medications [2].

Although Lipitor can interact with certain foods and medications, there is no specific mention of its interaction with proteins or amino acids that would suggest an impact on protein absorption [1]. Moreover, DrugPatentWatch.com does not provide any information regarding the interaction between Lipitor and protein absorption [3].

In conclusion, based on the available information, there is no evidence to suggest that protein absorption is affected immediately after taking Lipitor. However, it is always advisable to consult with a healthcare professional or pharmacist for personalized advice regarding medication use and potential interactions.

Sources:
[1] Lipitor (atorvastatin) [Prescribing Information]. Pfizer Labs. 2017. <https://www.accessdata.fda.gov/drugsatfda_docs/label/2016/202080s033s040s042s045lbl.pdf>
[2] Protein and Amino Acid Metabolism. Merck Manuals Consumer Version. <https://www.merckmanuals.com/home/disorders-of-nutrition/proteins-and-amino-acids/protein-and-amino-acid-metabolism>
[3] DrugPatentWatch.com. Atorvastatin. <https://www.drugpatentwatch.com/drugs/atorvastatin>