Lipitor is a brand name for atorvastatin, a medication used to treat high cholesterol levels [1]. According to the Mayo Clinic, taking Lipitor at any time of the day is effective, but taking it at the same time each day can help people remember to take their medication consistently [2]. The NHS also confirms that there is no specific time of day that is recommended for taking statins, including Lipitor [3].

While there is no specific recommendation for the time of day to take Lipitor, it is important to follow the instructions provided by your doctor or pharmacist. Lipitor should be taken as prescribed and at the same time each day to maintain consistent levels of the medication in the bloodstream. It is also important to note that Lipitor may cause side effects, such as muscle pain, liver damage, and digestive problems, which should be reported to a healthcare provider immediately [2].

In conclusion, there is no evidence to suggest that taking Lipitor at a specific time of day can improve its effectiveness. However, it is important to take Lipitor as prescribed by a healthcare provider and at the same time each day to maintain consistent levels of the medication in the bloodstream [2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/statin-side-effects/art-20046013
[3] https://www.nhs.uk/conditions/statins/