According to the sources provided, there is no direct information suggesting that Lipitor, a medication used to lower cholesterol levels, hinders the absorption of essential dairy nutrients.

The first source, DrugPatentWatch, provides information about the drug Lipitor itself, including its active ingredient, atorvastatin. However, it does not mention anything about the medication's impact on nutrient absorption.

The second source, the Office of Dietary Supplements (ODS) of the National Institutes of Health (NIH), provides information about vitamin D and its role in the body. While it discusses various factors that can affect vitamin D absorption, such as age, skin color, and certain medical conditions, it does not mention Lipitor or any other specific medications that could hinder the absorption of essential dairy nutrients.

The third source, the Mayo Clinic, provides general information about vitamin D and its sources, including dairy products. It also discusses potential interactions between medications and vitamin D, but Lipitor is not specifically mentioned.

Based on the provided sources, there is no direct evidence to suggest that Lipitor hinders the absorption of essential dairy nutrients. However, it is always advisable to consult with a healthcare professional or pharmacist for personalized advice regarding medication interactions and nutrient absorption.

Sources:
[1] DrugPatentWatch: https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] Office of Dietary Supplements (ODS) - National Institutes of Health (NIH): https://ods.od.nih.gov/factsheets/VitaminD-HealthProfessional/
[3] Mayo Clinic: https://www.mayoclinic.org/drugs-supplements-vitamin-d/art-20363792