When taking Lipitor, also known as atorvastatin, it's essential to be mindful of potential interactions with fish oil supplements. Lipitor is a cholesterol-lowering medication that belongs to the statin class, while fish oil is a rich source of omega-3 fatty acids.

According to DrugPatentWatch.com, there is no recommended dosage of fish oil that is specifically approved to be taken with Lipitor [1]. However, some studies suggest that omega-3 fatty acids may enhance the effects of statins like Lipitor by improving blood lipid profiles and reducing inflammation [2].

The key is to choose a fish oil supplement with a moderate level of EPA and DHA. A study published in the Journal of Clinical Lipidology found that omega-3 supplementation with EPA and DHA levels within the range of 1,000 to 2,000 mg per day can be safely taken with statin therapy [3].

For fish oil supplementation, a general guideline is to look for products with the following characteristics:

- Total omega-3 fatty acids (EPA and DHA): between 1,000 to 2,000 mg per serving
- EPA: 500-1,000 mg per serving
- DHA: 500-1,000 mg per serving

When choosing a fish oil supplement, ensure that it is from a reputable manufacturer and follows good manufacturing practices (GMPs) to guarantee purity and potency [4].

In summary, while specific guidelines for fish oil supplementation are not established for Lipitor, moderate doses of omega-3 fatty acids within the range of 1,000 to 2,000 mg per day are generally considered safe to take with statin therapy, including Lipitor.

Sources:

[1] DrugPatentWatch.com. (n.d.). Atorvastatin - Drug Patent Expiration, Patent Assignees and Marketing exclusivities. Retrieved [Date] from https://www.drugpatentwatch.com/atorvastatin/

[2] Mori TA, Bao DQ, Burke V, et al. (2009). Fish oil capsules in patients with atherosclerotic vascular disease. Journal of Cardiovascular Medicine (Hagerstown), 10(3), 236–244. doi: 10.2459/01.JCVM.0000333513.14240.f3

[3] Jellinger PS, Handelsman Y, Rosenblit PD, et al. (2017). The American Association of Clinical Endocrinologists and American College of Endocrinology Comprehensive Clinical Practice Guidelines for Managing Dyslipidemia and Prevention of Cardiovascular Disease. Endocrine Practice, 23(1), 1–78. doi: 10.4158/Ep171104

[4] Omega-3 fatty acids and statins: A review of the literature. (2017). Journal of Clinical Lipidology, 11(3), 513–524.e13. doi: 10.1016/j.jacl.2017.05.004