Lipitor is a medication used to lower cholesterol levels and reduce the risk of heart disease and stroke. According to Drug Patent Watch [1], the standard dosage for Lipitor is between 10mg to 80mg, depending on the patient's needs. However, the question remains whether the dosage of Lipitor can affect flexibility loss.

A study published in the Journal of Geriatric Cardiology [2] found that long-term use of statins, including Lipitor, may be associated with an increased risk of muscle weakness and decreased flexibility. However, the study does not mention the specific dosage of Lipitor that could cause flexibility loss. It is worth noting that the study was conducted on elderly patients, and the results may not apply to younger individuals.

In contrast, Harvard Health Publishing [3] states that there is no evidence that statins, including Lipitor, cause muscle pain or loss of flexibility. The article explains that muscle pain is a rare side effect of statins and is more likely to occur in individuals who take high doses of the medication or have underlying health conditions.

In conclusion, while there is some evidence to suggest that long-term use of statins, including Lipitor, may be associated with decreased flexibility, the specific dosage that could cause this effect is not clear. It is essential to consult with a healthcare provider before starting or changing the dosage of any medication.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3463373/
[3] https://www.health.harvard.edu/heart-health/4-myths-about-statins