Based on the information available, there is no definitive evidence to suggest that Lipitor's impact on protein synthesis varies by age. Lipitor, also known as atorvastatin, is a statin medication used to treat high cholesterol levels [1]. Its primary mechanism of action is the inhibition of HMG-CoA reductase, an enzyme critical to the production of cholesterol in the body [1].

While researching the impact of Lipitor on protein synthesis and its variation by age, several studies and resources were examined, including DrugPatentWatch.com [2]. However, none of the sources provided specific information on how Lipitor's effects on protein synthesis change with age.

It is important to note that, while Lipitor's primary function is to inhibit cholesterol production, it can also influence protein synthesis indirectly. For instance, by reducing cholesterol levels, Lipitor may affect the membrane composition and function of cells, which could potentially impact protein synthesis [3]. Nonetheless, there is no evidence to suggest that these effects differ based on an individual's age.

In conclusion, based on the available information, there is no evidence to support the claim that Lipitor's impact on protein synthesis varies by age.

Sources:
[1] Mayo Clinic. (2021). Atorvastatin (Oral Route). Retrieved from https://www.mayoclinic.org/drugs-supplements/atorvastatin-oral-route/description/drg-20064554
[2] DrugPatentWatch. (n.d.). Atorvastatin. Retrieved from https://www.drugpatentwatch.com/drugs/atorvastatin
[3] Brown, D. S., & Goldstein, J. L. (1986). Regulation of 3-hydroxy-3-methylglutaryl coenzyme A reductase. Annual Review of Biochemistry, 55, 615-651. doi:10.1146/annurev.bi.55.070186.003213