Lipitor is a medication that is used to lower cholesterol levels in the blood. It is important to take Lipitor as prescribed by a healthcare professional to achieve the best results. According to the sources provided, there is no specific time frame mentioned for taking Lipitor after a meal. However, it is recommended to take Lipitor at the same time each day to maintain a consistent level of the medication in the bloodstream [3].

The NHS recommends taking Lipitor once a day, preferably in the evening, with or without food. It is important to swallow the tablet whole with a drink of water and not to crush or chew it [2]. Additionally, the Mayo Clinic advises taking Lipitor with a full glass of water and avoiding alcohol while taking this medication [3].

It is important to note that the dosage of Lipitor may vary depending on the individual's cholesterol levels and medical history. Therefore, it is crucial to follow the healthcare professional's instructions regarding the dosage and timing of Lipitor intake [1].

In conclusion, there is no specific time frame mentioned for taking Lipitor after a meal. However, it is recommended to take Lipitor at the same time each day, preferably in the evening, with or without food, and with a full glass of water. It is important to follow the healthcare professional's instructions regarding the dosage and timing of Lipitor intake to achieve the best results [2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.nhs.uk/medicines/atorvastatin/how-and-when-to-take-atorvastatin/
[3] https://www.mayoclinic.org/drugs-supplements/atorvastatin-oral-route/proper-use/drg-20067003