When taking Lipitor and blood pressure medication, it is important to be aware of potential interactions with vitamins and supplements. According to the sources provided, there are a few specific vitamins and supplements that should be avoided or used with caution when taking Lipitor and blood pressure medication.

One source, Drug Patent Watch, does not provide specific information about vitamin or supplement interactions with Lipitor or blood pressure medication [1].

The National Health Service (NHS) website provides general guidance on taking atorvastatin, the generic name for Lipitor, with other medicines and herbal supplements. While it does not mention any specific vitamins or supplements to avoid, it advises caution when taking St. John's wort, as it may reduce the effectiveness of atorvastatin [2].

ConsumerLab.com, a reputable source for information on dietary supplements, provides more detailed information on potential interactions between statins (such as Lipitor) and various vitamins and supplements. According to ConsumerLab.com, it is generally safe to take most vitamins and supplements while on statins. However, there are a few exceptions:

1. Red yeast rice: This supplement contains a naturally occurring statin and should be avoided when taking prescription statins like Lipitor, as it can increase the risk of side effects [3].

2. Grapefruit: Grapefruit and grapefruit juice can interact with Lipitor and other statins, increasing the risk of side effects. It is recommended to avoid consuming grapefruit or grapefruit juice while taking Lipitor [3].

3. Coenzyme Q10 (CoQ10): Some studies suggest that statins may lower CoQ10 levels in the body, and taking CoQ10 supplements may help counteract this effect. However, more research is needed to confirm this. If you are considering taking CoQ10, it is advisable to consult with your healthcare provider [3].

4. Vitamin K: While there is no direct interaction between statins and vitamin K, it is important to maintain a consistent intake of vitamin K-rich foods, especially if you are taking blood thinners. This is because vitamin K plays a role in blood clotting, and changes in vitamin K intake can affect the effectiveness of blood thinners [3].

It is always recommended to consult with a healthcare professional or pharmacist before starting any new vitamins or supplements, especially when taking prescription medications like Lipitor and blood pressure medication. They can provide personalized advice based on your specific medical history and medication regimen.

In conclusion, while there are no specific vitamins or supplements mentioned in the sources that should be avoided with Lipitor and blood pressure medication, it is important to be cautious with St. John's wort and to avoid red yeast rice and grapefruit. Coenzyme Q10 and vitamin K may require further consideration and consultation with a healthcare professional.

Sources:
[1] Drug Patent Watch. "LIPITOR." https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] NHS. "Taking atorvastatin with other medicines and herbal supplements." https://www.nhs.uk/medicines/atorvastatin/taking-atorvastatin-with-other-medicines-and-herbal-supplements/
[3] ConsumerLab.com. "Which drugs should be avoided when taking statins?" https://www.consumerlab.com/answers/which-drugs-should-be-avoided-when-taking-statins/statin-supplement-interactions/