Does your Over The Counter Omega oil Supplement Contain Mercury?
For at least a decade omega fish oils had positive results for decreasing the risk of coronary artery disease. Fish carry mercury which may be harmful when consumptions is daily by humans. Mercury that reaches high levels can "promote atherosclerosis by increasing free radical production or by inactivating several antioxidants mechanisms (Foran, Flood, Lewandrowski). "Studies involved toenail clippings to test for mercury levels associated with acute myocardial infarction (New England Journal of Medicine)". "Fish that are carnivorous have large levels of mercury primarily (methylmercury) are sword fish and shark. Whereas, tuna, pike, trout and bass have changeable amounts of concentration (Foran, Flood, Lewandrowski)." The study did not include all supplement brands, but it did contain these brands. "No mercury was detected in Nordic Ultimate, Sundown and Kirkland. The Omega Brite and CVS brand did contain mercury."
Foran S., MD, PhD, Flood, J., PhD., Lewandrowski, K., MD. (2003). Measurement of Mercury Levels in Concentrated Over-the-Counter Fish oil Preparation. Is Fish Oil Healthier than Fish? Arch Pathol Med-Vol 127. Retrieved March 1, 2011, fromhttp://www.ncbi.nlm.nih.gov/pubmed/14632570
The New England Journal of Medicine ( 2002). Mercury, Fish Oil, and the Risk of Myocardial Infarction.
N Engl J Med 2002; 347: 1747-1754. Retrieved March 1, 2011, from Mercury, Fish Oils, and the Risk of Myocardial Infarction — NEJM
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