Omega-3, 6, 7 and 9 what’s the difference?

Guest blog contributed by Claire Saunders, a student at Oxford Brookes University, currently on placement at CABI.

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Many people are not sure how omega oils feature in their diet and in what quantities they should be consuming them. Confounded by acronyms such as PUFA, ALA and DHA, it’s tempting just to eat a piece of fish and hope for the best. Considering that many of are not getting even the minimum levels in our diet that are deemed “critical” to health by the World Health Organization (WHO),  maybe we should rethink our 'laissez faire' attitude.  A 2016 systematic review  revealed that 80% of the world has low or very low blood levels of  DPA and EHA. When questioned,  a third or consumers in Germany, UK and USA were unsure how much they should be consuming.  There follows a practical guide to omega oils.

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