Aspirin and Lipitor are two different medications with different mechanisms of action. Aspirin is a nonsteroidal anti-inflammatory drug (NSAID) used to relieve pain and reduce inflammation, while Lipitor is a statin medication used to lower cholesterol levels.

There is limited information available on whether aspirin reduces the side effects of Lipitor. One study found that the combination of aspirin and statins may reduce the risk of cardiovascular events in patients with diabetes [2]. However, this study did not specifically investigate the side effects of Lipitor.

It is important to note that aspirin can interact with other medications, including Lipitor. According to the NHS, grapefruit juice can also interact with Lipitor, increasing the risk of side effects such as muscle pain and liver damage [3]. It is recommended to avoid grapefruit juice while taking Lipitor.

In conclusion, there is limited information available on whether aspirin reduces the side effects of Lipitor. It is important to talk to a healthcare provider before taking any new medications or supplements, including aspirin, to avoid potential interactions and adverse effects.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ASPIRIN
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7738023/
[3] https://www.nhs.uk/common-health-questions/medicines/does-grapefruit-affect-my-medicine/