Lipitor, a medication used to lower cholesterol levels, is safe to take with beef consumption. There is no known interaction between Lipitor and beef. Lipitor works by blocking an enzyme that is necessary for the body to produce cholesterol, thereby reducing the amount of cholesterol in the blood [1]. According to a report by ABC News, statins like Lipitor have been found to be safe and effective in reducing cholesterol levels, with minimal side effects [2]. It is important to note that while taking Lipitor, it is recommended to avoid drinking grapefruit juice, as it can increase the levels of the medication in the blood and lead to potential side effects [3]. In conclusion, there is no evidence to suggest that beef consumption is unsafe while taking Lipitor.

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.verywellhealth.com/can-i-drink-wine-if-i-take-lipitor-1124044