Lipitor is a drug used to lower cholesterol levels in the blood. The drug is not recommended for young adults because there is a lack of evidence of its safety and effectiveness in this age group. According to Drug Patent Watch [1], Lipitor is only approved for use in adults and children who are at least ten years old. A study conducted by Columbia University Medical Center [2] suggests that statins, including Lipitor, could benefit millions of young adults with high cholesterol. However, the study also acknowledges that more research is needed to determine the long-term safety and effectiveness of these drugs in young adults. Another study published in the Journal of the American College of Cardiology [3] found that the use of statins in young adults is associated with a lower risk of cardiovascular events. However, the study also suggests that the benefits of statins may not outweigh the potential risks in this age group. Overall, while Lipitor and other statins may be beneficial for young adults with high cholesterol, more research is needed to determine their safety and effectiveness in this population.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.cuimc.columbia.edu/news/statins-could-benefit-millions-young-adults-high-cholesterol-study-suggests
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6915405/