Lipitor is a medication used to lower cholesterol levels in the blood. It belongs to a class of drugs called statins. According to the sources provided, there is no specific time frame mentioned for taking Lipitor after exercise.

The first source [1] provides information about the patent status of Lipitor. It does not mention anything about the timing of taking Lipitor after exercise.

The second source [2] is a research article that discusses the benefits of exercise on cardiovascular health. It does not mention anything about the timing of taking Lipitor after exercise.

The third source [3] is an article that explains how to calculate heart rate recovery after exercise. It does not mention anything about the timing of taking Lipitor after exercise.

In conclusion, based on the sources provided, there is no specific time frame mentioned for taking Lipitor after exercise. It is important to follow the instructions given by the healthcare provider regarding the timing and dosage of Lipitor. It is also recommended to discuss any concerns or questions about the medication with the healthcare provider.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3463373/
[3] https://www.healthcentral.com/fitness-and-exercise/how-to-calculate-heart-rate-recovery-after-exercise