I am a long-time user of the expensive ZONE LABS/SEARS LABS OmegaRx fish oil and am considering a switch due to the fact that there are significantly better values out there. I must specify, though, am looking for a high-quality product that I can take in large doses (8-12 grams of long-chain EFAs per day). I am not interested in Costco shit.
I have considered CARLSON'S brand fish oil, but am turned off by the fact that it is not very concerntrated: only about 35% long-chain EFAs. Not very good.
Another option is NATURAL FACTORS RxOmega-3. This is about as concentrated as the Sears Labs product, and is less than half the cost per gram of EFAs. However, it is not listed on the International Fish Oil Standards website, so I cannot be assured of its purity and concentration. I don't know how they could let the stuff go for so little if it was really comparable to the ZONE LABS fish oil. It may be poorly refined.
Has anyone else used this product?