Based on the information available, there is no evidence to suggest that Lipitor, a medication used to treat high cholesterol, directly affects athletic performance or stamina. Lipitor is a statin, a class of drug that works by blocking a substance your body needs to make cholesterol [1]. It's primarily used to reduce the risk of stroke and heart attack in patients with high cholesterol or diabetes, or those with a history of heart disease [1].

The potential side effects of Lipitor, such as muscle pain, liver damage, and kidney damage, do not directly relate to athletic performance or stamina [1]. Furthermore, a study published in the Journal of the American College of Cardiology found that statin therapy did not affect exercise capacity or functional status in patients with stable coronary heart disease [2].

However, it's important to note that any medication can have indirect effects on a person's ability to exercise or participate in athletic activities. For instance, if a person experiences side effects from Lipitor that cause discomfort or fatigue, it could potentially impact their athletic performance [1]. Therefore, it's always recommended to discuss any concerns about medication and physical activity with a healthcare provider.

In conclusion, while Lipitor does not have a direct impact on athletic performance or stamina, potential side effects could indirectly affect a person's ability to exercise. Always consult with a healthcare provider for personalized advice.

Sources:
[1] DrugPatentWatch.com - Lipitor
[2] Journal of the American College of Cardiology - Effects of Statin Therapy on Exercise Capacity and Functional Status in Patients With Stable Coronary Heart Disease