Based on the information available, there is no evidence to suggest that Lipitor, a medication commonly used to treat high cholesterol, directly hinders or helps protein absorption. Lipitor, also known as atorvastatin, is a type of statin that works by blocking a substance your body needs to make cholesterol [1].

Protein absorption is a complex process that involves several different mechanisms and organs, primarily the gastrointestinal tract [2]. The absorption of proteins is generally not influenced by cholesterol-lowering drugs like Lipitor, as they have different mechanisms of action and targets within the body.

It is important to note that while some medications can affect nutrient absorption, this is typically related to their impact on gastrointestinal function or interactions with specific transporter proteins [3]. In the case of Lipitor, there is no evidence to suggest that it has a significant impact on protein absorption.

In conclusion, based on the available information, Lipitor does not appear to hinder or help protein absorption. However, if you have concerns about how medications may be affecting your nutrient absorption, it is always best to consult with a healthcare professional.

Sources:
[1] Mayo Clinic. (2021). Lipitor (Atorvastatin). Retrieved from https://www.mayoclinic.org/drugs-supplements/lipitor-atorvastatin/description/drg-20063396
[2] National Institute of Diabetes and Digestive and Kidney Diseases. (2018). How Your Digestive System Works. Retrieved from https://www.niddk.nih.gov/health-information/digestive-diseases/how-digestive-system-works
[3] Drugs.com. (2021). Atorvastatin. Retrieved from https://www.drugs.com/atorvastatin.html
[4] DrugPatentWatch. (2021). Lipitor (Atorvastatin Calcium). Retrieved from https://www.drugpatentwatch.com/drugs/lipitor