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Supplement Ingredients
—

Common Fish Oil Tested for Low Oxidation

Updated on June 25, 2025 | Published on February 21, 2024
Fact checked
Dr. Eric Viegas, ND (Non-Clinical) Avatar
Written by Dr. Eric Viegas, ND (Non-Clinical)
Dr. Natacha Montpellier, ND, B.Sc.
Medically reviewed by Dr. Natacha Montpellier, ND, B.Sc.
  1. Wellness blog
  2. Common Fish Oil Tested for Low Oxidation

Fish oil is susceptible to oxidation due to its highly unsaturated structure. Once fish oil starts to oxidize, a notable fishy smell and taste emerges. It’s this smell and taste that often leads patients to discontinue the use of fish oils. (1) Fish oil oxidation will inevitably lower the amounts of its active constituents, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). The long-term health effects of consuming oxidized fish oil are unknown, especially for individuals with chronic health conditions. (2)

fish oil oxidization hero

See how common fish oils measure up

Download the handout to see the results of common fish oils tested for low oxidization.

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Fullscript isn’t only a great option for running your own supplement store, but it’s also an easy way to grow your practice! When you open a Fullscript account, you can:

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  • Get quality you can trust. Fullscript makes it easy for all healthcare providers to confidently recommend the optimal ingredient intake for the intended outcome — one that is safe, effective, and delivered through the highest-quality products.

Start recommending healthcare’s best fish oil supplements supplements to your patients today by creating a practitioner account on Fullscript.

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Author

Dr. Eric Viegas, ND (Non-Clinical) Avatar
Written by Dr. Eric Viegas, ND (Non-Clinical)
Dr. Natacha Montpellier, ND, B.Sc.
Medically reviewed by Dr. Natacha Montpellier, ND, B.Sc.

Disclaimer

The information in this article is designed for educational purposes only and is not intended to be a substitute for informed medical advice or care. This information should not be used to diagnose or treat any health problems or illnesses without consulting a doctor. Consult with a health care practitioner before relying on any information in this article or on this website.

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