There is no direct link between the use of Lipitor and practicing yoga. Lipitor is a medication used to lower cholesterol levels in the blood, while yoga is a physical and mental practice that can provide various health benefits. Therefore, the frequency of yoga practice for Lipitor users should be determined by their overall health status and personal preferences.

However, it is important to note that practicing yoga can have potential risks, especially if done excessively or incorrectly. According to Everyday Health [2], practicing yoga for extended periods or with improper alignment can cause muscle strains, joint pain, and even serious injuries. Therefore, it is recommended to practice yoga under the guidance of a qualified instructor and to listen to your body's limits.

Moreover, a study published in the International Journal of Yoga [3] suggests that practicing yoga regularly can improve lipid profiles and reduce the risk of cardiovascular diseases. Therefore, incorporating yoga into a healthy lifestyle can be beneficial for Lipitor users.

In conclusion, there is no specific recommendation for how often Lipitor users should practice yoga. It is essential to consult with a healthcare provider and a qualified yoga instructor to determine a safe and effective yoga practice that suits individual needs and limitations.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.everydayhealth.com/yoga/are-you-doing-too-much-yoga-heres-how-to-tell-and-why-it-can-be-risky/
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3463373/