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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Is Omega 3 From Alaska Fish Or Omega 3 From Anchovies Better?

I am comparing two supplements, one containing 500 mg of Omega 3 (EPA 32% and DHA 13%) from wild caught alaskan fish versus another product with 1280 mg of Omega 3 (EPA-650mg; DHA-450mg; others-180mg) from anchovies and sardines. Also, the one with 500 mg also contains 5000 IU of Vitamin A, 400 IU of Vitamin D3 and 100 mg of Vitamin E (90% Delta Tocotrienol; 10% Gamma Tocotrienol). Not having a great understanding of values and scientific comparisons, I would like some guidance with this comparison.
Fri, 18 Aug 2017
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Dietitian & Nutritionist,  's  Response
Hello and I am happy you asked for additional information. Most vitamins should be taken with food; high fat soluble vitamins are absorbed better with a diet rich in good fats. Fat soluble vitamins include ADEK and sometimes cozy eQ 10. Fat soluble vitamins can be stored in the fat, accumulate over time and possible cause toxicity. Unless there is a specific reason for supplementation with a fat soluble vitamin I would stick with vitamin D only and the usual dose for that is 800-1,000 mg/day. Depending on locations, populations may be routinely screened for Vitamin D3 deficiency and then repletion values are much higher.

Out of the two presented, I would choose supplement one. There is no literature backing up vitamin E supplementation, it is too easy to take too much vitamin A - don't bother with those.

I hope I have helped.

Regards,
Kathy Shattler, BSc,MS,RDN

Omega 3 from salmon has the same chemical structure as does Omega 3 from sardines. I would not differentiate.
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Is Omega 3 From Alaska Fish Or Omega 3 From Anchovies Better?

Hello and I am happy you asked for additional information. Most vitamins should be taken with food; high fat soluble vitamins are absorbed better with a diet rich in good fats. Fat soluble vitamins include ADEK and sometimes cozy eQ 10. Fat soluble vitamins can be stored in the fat, accumulate over time and possible cause toxicity. Unless there is a specific reason for supplementation with a fat soluble vitamin I would stick with vitamin D only and the usual dose for that is 800-1,000 mg/day. Depending on locations, populations may be routinely screened for Vitamin D3 deficiency and then repletion values are much higher. Out of the two presented, I would choose supplement one. There is no literature backing up vitamin E supplementation, it is too easy to take too much vitamin A - don t bother with those. I hope I have helped. Regards, Kathy Shattler, BSc,MS,RDN Omega 3 from salmon has the same chemical structure as does Omega 3 from sardines. I would not differentiate.