According to the provided sources, there is no evidence to suggest that nuts affect the effectiveness of Lipitor. Lipitor is a medication used to lower cholesterol levels in the blood, while nuts are a natural food source that contains healthy fats, fiber, and other nutrients that can help lower cholesterol levels.

The first source, Drug Patent Watch [1], provides information about the drug Lipitor, including its active ingredient, atorvastatin calcium. The website does not mention any interactions between nuts and Lipitor.

The second source, Mayo Clinic [2], provides information about the herb ginkgo and its potential interactions with medications. However, there is no mention of any interactions between nuts and Lipitor.

The third source, Harvard Health Publishing [3], provides information about alternative treatments for high cholesterol when statins like Lipitor are not effective. The article mentions that adding certain foods, such as nuts, to a healthy diet can help lower cholesterol levels.

In conclusion, based on the provided sources, there is no evidence to suggest that nuts affect the effectiveness of Lipitor. However, it is important to speak with a healthcare provider before making any changes to medication or diet.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.mayoclinic.org/drugs-supplements-ginkgo/art-20362032
[3] https://www.health.harvard.edu/newsletter_article/help-for-your-cholesterol-when-the-statins-wont-do