Based on the provided sources, Lipitor (generic name: atorvastatin) is a medication primarily used to lower cholesterol levels and reduce the risk of heart disease [1]. While the sources do not explicitly mention the impact of Lipitor on digestion, they do provide information about its potential side effects and interactions.

According to Drugwatch, some common side effects of Lipitor include diarrhea, constipation, and stomach pain [2]. These gastrointestinal symptoms may indicate a potential impact on digestion. However, it is important to note that not everyone experiences these side effects, and they may vary in severity.

The American Heart Association's journal article focuses on the cardiovascular benefits of statins, including Lipitor. It does not specifically address the impact of Lipitor on digestion [3].

To get a more accurate understanding of the potential impact of Lipitor on digestion, it is recommended to consult a healthcare professional or pharmacist. They can provide personalized advice based on your medical history, current medications, and specific concerns.

In conclusion, while the provided sources do not directly state whether Lipitor negatively impacts digestion, they suggest that gastrointestinal side effects, such as diarrhea and stomach pain, may occur. It is important to consult a healthcare professional for personalized information and guidance.

Sources:
[1] DrugPatentWatch. Lipitor - Tradename Details. Retrieved from https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] Drugwatch. Lipitor Side Effects. Retrieved from https://www.drugwatch.com/lipitor/side-effects/
[3] American Heart Association. Cardiovascular Benefits and Safety of Statins. Retrieved from https://www.ahajournals.org/doi/full/10.1161/CIRCRESAHA.118.312782