Lipitor is a prescription medication used to lower cholesterol levels in the blood [1]. It belongs to a class of drugs known as statins and works by blocking an enzyme that the liver needs to produce cholesterol. According to the provided sources, there is no known interaction between Lipitor and soy milk or oat milk. However, it is important to note that the effectiveness of Lipitor may be reduced if it is taken with certain foods or beverages, such as grapefruit juice [1].

Regarding soy milk and oat milk, both are considered heart-healthy alternatives to dairy milk [2]. Soy milk is rich in protein, vitamins, and minerals, and contains no cholesterol or saturated fat. Oat milk is low in fat and contains beta-glucans, a type of soluble fiber that has been shown to lower cholesterol levels [2].

It is also worth noting that vitamin D plays a role in maintaining healthy cholesterol levels [3]. Soy milk and oat milk are often fortified with vitamin D, which can be beneficial for individuals with high cholesterol levels. However, it is important to consult with a healthcare provider before making any changes to medication or diet.

In summary, there is no known interaction between Lipitor and soy milk or oat milk. Both soy milk and oat milk are considered heart-healthy alternatives to dairy milk and may be beneficial for individuals with high cholesterol levels. However, it is important to consult with a healthcare provider before making any changes to medication or diet.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.everydayhealth.com/high-cholesterol/diet/best-worst-types-milk-your-heart/
[3] https://ods.od.nih.gov/factsheets/VitaminD-Consumer/