Are Fish Oils Heat Sensitive?
Q: Are fish oils stable during shipping in the hot summer months?
A: All fish oil, regardless of the kind of manufacturing process used, uses heat in the processing of fish oils to remove contaminants. Heat itself does not cause oxidative damage to the fish oil‚ it can only affect the rate of oxidation. Without the presence of free radicals or oxygen, there is no oxidation to speed up. This is also why nitrogen-flushed fish oils can handle being shipped, delivered, and stored in even the hottest climates and still taste great.
Additionally, most of our vendors add vitamin E (tocopherol) to help slow the oxidation process once the fish oil is opened. Also, the tinted glass bottles slow the break down of the oil from light if left out, though refrigeration is recommended once opened. See more info on fish oils here on our Blog (June 2nd, 2011 entry): Fish Oil Q&A
As of 6/13/2011, we could not confirm that any studies have been done by our main vendors, Designs for Health or Pharmax/Genestra for fish oil to determine how long they would hold up during high heat transport, but both have assured us that they would hold up well. Therefore, if you want added assurance in the hot summer months, you may want to select a cold pack & insulation or do 2nd air if shipping fish oil to reduce exposure to heat during ground shipping, which can be 3-5 business days.
Listed below are some of our category special Fish Oils that we recommend:
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