Based on the information provided, I cannot directly confirm whether stamina increases while taking Lipitor as this is not a commonly reported side effect or benefit of the drug. However, I can provide some context regarding Lipitor and its intended uses.

Lipitor, also known as atorvastatin, is a prescription medication used to treat high cholesterol and reduce the risk of heart attack, stroke, and other heart complications in patients with type 2 diabetes, coronary heart disease, or other risk factors [1]. It is a type of drug called a statin, which works by lowering the levels of low-density lipoprotein (LDL), or "bad" cholesterol, and triglycerides in the blood, while increasing the levels of high-density lipoprotein (HDL), or "good" cholesterol [2].

It is important to note that Lipitor's effects are primarily focused on cholesterol management and cardiovascular health. While some users may report various subjective experiences related to their overall well-being while taking the medication, these are not necessarily direct consequences of the drug's intended mechanism of action.

In summary, stamina increase is not a commonly reported or anticipated effect of Lipitor use. Patients should consult their healthcare provider for personalized advice regarding their medication and any questions or concerns they may have.

Sources:

1. Mayo Clinic. (2022). Atorvastatin (Oral Route). Retrieved from https://www.mayoclinic.org/drugs-supplements/atorvastatin-oral-route/side-effects/drg-20069050
2. DrugPatentWatch.com. (n.d.). Lipitor (Atorvastatin Calcium). Retrieved from https://www.drugpatentwatch.com/drugs/lipitor