Lipitor is a brand name for the drug atorvastatin, which is a type of statin used to lower cholesterol levels in the body [1]. According to a report by ABC News, statins work by inhibiting the production of cholesterol in the liver, which reduces the amount of LDL or "bad" cholesterol in the bloodstream [2]. While taking statins like Lipitor, it is important to follow a healthy diet and lifestyle to maximize their effectiveness in reducing cholesterol levels.

The article from Health Central suggests that there are no specific dietary restrictions for people taking statins like Lipitor, but it is still important to maintain a healthy diet and limit the consumption of foods high in saturated and trans fats, which can increase cholesterol levels [3]. Red meat is a source of saturated fat, which can raise cholesterol levels in the body. Therefore, it is recommended to limit the consumption of red meat while taking Lipitor or any other statin medication.

In conclusion, there are no specific guidelines on how much red meat can be consumed while taking Lipitor. However, it is recommended to limit the consumption of red meat and other foods high in saturated and trans fats to maintain healthy cholesterol levels and maximize the effectiveness of the medication [2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://abcnews.go.com/Health/cholesterol-lowers-due-statins/story?id=12934422
[3] https://www.healthcentral.com/article/can-you-eat-whatever-you-want-while-taking-statins-for-cholesterol