Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels in the body. While it is not a blood thinner, it may have an impact on clotting. According to a study published in Arteriosclerosis, Thrombosis, and Vascular Biology [2], atorvastatin was found to decrease platelet aggregation, which is the clumping together of blood cells that can lead to the formation of clots. This effect was observed in both healthy individuals and those with high cholesterol levels. However, the study also noted that the antiplatelet effect of atorvastatin was relatively weak compared to other blood-thinning medications.

Another source, SingleCare [3], explains that while atorvastatin does not directly affect clotting factors, it can indirectly impact clotting by reducing inflammation in the body. Inflammation can contribute to the formation of clots, so by reducing inflammation, atorvastatin may help to prevent clotting.

In summary, while Lipitor is not a blood thinner, it may have an impact on clotting by reducing platelet aggregation and inflammation. However, its effect on clotting is relatively weak compared to other blood-thinning medications. It is important to consult with a healthcare provider before taking any medication to understand its potential benefits and risks.

Sources:
[2] https://www.ahajournals.org/doi/full/10.1161/01.atv.0000151647.14923.ec
[3] https://www.singlecare.com/blog/is-atorvastatin-a-blood-thinner/