When taking Lipitor (atorvastatin), a commonly prescribed medication for high cholesterol, it is important to be aware of potential interactions with certain vitamins. Lipitor usage may affect the levels of vitamins such as vitamin D and vitamin K in the body. Vitamin D levels may decrease with the use of atorvastatin, which could potentially lead to a deficiency. Vitamin K levels may also be impacted, potentially affecting blood clotting mechanisms. It is advisable to consult with a healthcare provider or pharmacist to discuss any concerns about potential interactions between Lipitor and specific vitamins to ensure optimal health outcomes.

Sources:
[1] drugpatentwatch.com
[2] mayoclinic.org
[3] nhs.uk