Lipitor is a brand name for the drug atorvastatin, which is a medication used to lower cholesterol levels in the blood. According to the sources provided, there is no specific time frame recommended for taking Lipitor before exercising.

However, it is important to note that Lipitor may cause side effects such as muscle pain and weakness, which could potentially impact exercise performance [2]. Therefore, it is recommended to speak with a healthcare provider about any concerns regarding Lipitor and exercise.

Additionally, the sources suggest that Lipitor should be taken at the same time each day, with or without food [2][3]. It is important to follow the dosing instructions provided by a healthcare provider or on the medication label.

In conclusion, there is no specific time frame recommended for taking Lipitor before exercising. It is important to speak with a healthcare provider about any concerns regarding Lipitor and exercise, and to follow the dosing instructions provided.

Sources:
[1] Drug Patent Watch. (n.d.). Lipitor. Retrieved September 15, 2021, from https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] Mayo Clinic. (2021, April 10). Statin side effects: Weigh the benefits and risks. Retrieved September 15, 2021, from https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/statin-side-effects/art-20046013
[3] Healthline. (2021, August 10). Atorvastatin (Lipitor). Retrieved September 15, 2021, from https://www.healthline.com/health/drugs/lipitor