The health benefits of taking omega 3 fatty acids coming from fish is collecting more and more documented evidence. The reviewed research investigated a huge number of articles including approximately 50,000 breast cancer cases involving more than 2 million participants (Zheng JS, et.al., 2013).
The researchers concluded that higher consumption of omega 3 fatty acids from a marine source is associated with a lower risk of breast cancer. The analysis indicated that the breast cancer risk was reduced by 5 percent per 0.1g/day of the fatty acids.
According to this you may be able to reduce your risk quite a bit by taking a couple of fish oil capsules per day.
Is some fish oil really better than others? Yes! Most fish oils on the market are ethyl esters because that's cheaper to produce. Fish oil in a triglyceride form is better absorbed than ethyl esters. Look for a formula that has high amounts of the active ingredients of omega 3 fat - EPA and DHA. Make sure that the oil comes in the form of triglycerides which offers better stability to the fatty acids and prevents breakdown and oxidation.
Zheng JS, Hu XJ, Zhao YM, Yang J, Li D. Intake of fish and marine n-3 polyunsaturated fatty acids and risk of breast cancer: meta-analysis of data from 21 independent prospective cohort studies. BMJ. 2013 Jun 27;346:f3706. doi: 10.1136/bmj.f3706.
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