Fish Oil-Bad Rancid 🦐🐟🐟 Is it a Real Problem?

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0:00 Intro
0:24 What is Oxidation
1:02 Measurement of Oxidation of fish oil
2:33 Where to get fish oil and what brands.

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.

With increased oxidation there will be lower amounts of EPA/DHA and also the negative benefits of consuming oxidized fish oil can be increased burping, indigestion and diarrhea.

There are 3 measurements of fish oil oxidation
Peroxide value (PV)
p-Anisidine value (pAV)
Total oxidation (TOTOX) = 2 PV + pAV

**TOTOX is not a validated measure of oxidation because of a wide variation of pAV.
**pAV is secondary oxidation which can be skewed by certain colors and flavoring. pAV value is better in the raw material stage of testing.

PV is the only validated for primary oxidation in a finished product.

When the peroxide value is between 30 and 40 milliequivalents/kg, a rancid taste is noticeable.

Fullscript tested 30 of the products testing for primary oxidation below 10 meq/kg (NSF ANSI)

22 out of 30 tested were below the Global Organization for EPA/DHA, voluntary standard of 5 meq/kg

Metagenics SPM Active PV 3.3 meq/kg
Designs for Health OmegAvail Hi-Po PV 1.8 meq/kg
Vital Nutrient Ultra Pure Fish Oil 700 3.8 meq/kg
Microbiome Labs MegaMarine 3.6 meq/kg
Pure Encapsulations O.N.E. Omega 1.7 meq/kg

Other good brands: Nordic Natural and Thorne

https://www.ncbi.nlm.nih.gov/pmc/arti...
https://onlinelibrary.wiley.com/doi/1...
https://academic.oup.com/nutritionrev...
https://goedomega3.com/storage/app/me...

Dr. Jin Sung is a Chiropractic Physician who specializes in the management of complex chronic conditions in Massachusetts, 30 minutes north of Boston. He utilizes natural and alternative therapies to help manage complex cases such as Hashimoto's, autoimmune conditions, IBS, SIBO, chronic fatigue, brain fog, early Alzheimer's, etc.

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This video is for general information and educational purposes only and does NOT constitute the practice of medicine or other professional health services, including giving of a medical advice. NO doctor-patient relationship is formed. It should not be used to self-diagnose and it is not a substitute for a medical exam, cure, treatment, diagnosis, and prescription or recommendation. You should not make any change in your health regimen or diet before first consulting a physician. Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition.