In the world of nutrition, it is very common to see companies use adjectives that describe their products as "best" or "super". Suppliers who use these advertising gimmicks do not want consumers to compare fish oil products - particularly theirs.
I think there are more differences in fish oil supplements than any other nutritional product. The degree of quality ranges from exceptional to "how do they get away with this"? For those of you just starting to compare fish oils, do not give up. You will discover stuff that will make you want to walk away.
However, you will eventually see how the good companies do it. After you taken one of these products for a while then the effort will be worth it.
Just recently, three of the largest US based fish oil companies were sued for having violated California's proposition 65. They products are alleged to have exceeded the amount of polychlorinated biphenyl (PCB) allowed by law. PCBs are toxins absorbed by fish in the ocean and eventually wind up in many supplements that do not purify their products correctly. One of the defendants websites claimed:
"We start with 100% pure Norwegian salmon oil which is strictly monitored to ensure the absence of heavy metals, peroxides and toxic chemicals." The other two companies made similar statements. The lawsuit wants the companies to cease selling these products.
My point is this. Be very skeptical of any claims, even if they say they meet all standards. Make them prove it. The easiest way is with an independent lab report called a certificate of analysis [COA]. It should be on their website.
Plus, use a company that has complete control of the manufacturing process. In other words, they buy the catch locally and then process it themselves. This way, fish do not have to travel thousands of miles in tankers. Companies have to put chemical additives in the catch to keep it from spoiling. Even then, you lose freshness.
There are two omega 3 fatty acids in cold water species that are responsible for the numerous health benefits. They are called DHA and EPA. Current research suggests that we need to have a little more DHA than EPA in our diet. This is another reason why people compare fish oil supplements. They want to know how much of each they are getting. If you are considering a product whose label says "mixed omega 3" or something else just as vague - walk away. Companies like this are cutting too many corners for me to discuss here.
In conclusion. Compare fish oil supplements potency, freshness and the way they are processed. The certificate of analysis, assuming they have one, will tell you what you need to know. My website can help with this and in other areas.
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