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Q. Are fish oil capsules safe if I'm allergic to fish? If not, how do I get omega-3s?

Written by Catherine Saxelby on Monday, 22 July 2013.
Tagged: allergies, healthy eating, healthy heart, oil, omega-3, supplements

Q. Are fish oil capsules safe if I'm allergic to fish? If not, how do I get omega-3s?
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THE QUESTION IN FULL

Q. I avoid seafood as I have an allergy to fish. So how would I increase my intake of omega-3 fats? Are fish oil capsules safe for me?

A.  Fish oil capsules are quite refined, undergoing several filtration, purification and deodorisation steps to remove impurities, heavy metals and virtually all protein (which is the compound that triggers the allergic reaction).

Because of these processes, theoretically they should be safe but, this may vary from brand to brand.

As you have a documented fish allergy, however, it's wise to be extra cautious. The Allergy Unit of the Royal Prince Alfred Hospital in Sydney (the leading centre for allergies in Australia) suggests you test your reaction by having your doctor do a skin prick test with the contents of a fish oil capsule.

Have your auto-injector of emergency adrenalin (e.g. Epipen, Anapen) on hand and make sure there is resuscitation equipment just in case.

If you have no reaction to the skin prick test, follow it up by swallowing a capsule, but again do it when you're with your doctor.

Other ways to get your omega-3s

If you don't want to go through this procedure, there are 3 other ways to boost your intake of omega-3s. These are:

  1. Eat more grass-fed red meat (beef, lamb), game meats (venison, kangaroo) or organ meats such as liver and kidney
  2. Buy omega-enriched eggs - these have been fed on flaxseed and canola so are richer in omega-3 naturally
  3. Eat more flaxseed oil, canola oil, pecans and walnuts which have the simple form of omega-3 called alpha-linolenic acid. However only a SMALL proportion (less than 15 per cent) is converted into the longer-chain fatty acids EPA and DHA our bodies make use of - so it's not ideal.

 

Catherine Saxelby About the author

About the Author

 

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Catherine Saxelby has the answers! She is an accredited nutritionist, blogger and award-winning author. Her award-winning book My Nutritionary will help you cut through the jargon. Do you know your MCTs from your LCTs? How about sterols from stanols? What’s the difference between glucose and dextrose? Or probiotics and prebiotics? What additive is number 330? How safe is acesulfame K? If you find yourself confused by food labels, grab your copy of Catherine Saxelby’s comprehensive guide My Nutritionary NOW! 

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