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. 2015 Nov 4;4:e30. doi: 10.1017/jns.2015.21

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© The Author(s) 2015

This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 1. — Peroxide (a), anisidine (b) and total oxidation (TOTOX) (c) levels of over-the-counter n-3 nutritional supplements available in Canada grouped by their final consumer form. * Mean value was significantly different from that for all n-3 nutritional supplements (P < 0·05). † Mean value was significantly different from that for softgel unflavoured n-3 nutritional supplements (P < 0·05). ‡ Mean value was significantly different from that for softgel flavoured n-3 nutritional supplements (P < 0·05). The dotted lines represent the safety limits (peroxide, <5 mEq/kg; anisidine, <20; and TOTOX, <26) recommended by the Global Organization for EPA and DHA Omega-3s (GOED), the Council for Responsible Nutrition (CRN) and the International Fish Oil Standards (IFOS)⁽¹⁹^–²²⁾.