I have done my research and this is the product to consider! It is the only one that contains all of the key components in their proper amount to be effective. The following balance of ingredients are what an optimal krill oil needs to be complete: Omega-3s-25% (250 mg per 1,000 mg of krill oil; 5/8 EPA & 3/8 or DHA Phospholipids-40% (400 mg per 1,000 mg of krill oil) Astaxanthin- 1.5 mg per 1,000 mg of krill oil I personally can tell the difference in how I feel when we take it. I say this because we have taken fish oil for years. Then, I switched us to the MegaRed; and after being so disappointed, we returned to the fish oil we had been taking. Once I educated myself on which omegas were best for us, I learned that the krill oil needs the phospholipids at 40% of the omegas and the astaxanthin at 1.5 mg per 1000 mg of the omegas in order to actually do the job we take it for. All I can say is to do your homework and you will learn what I did. Then try this product and see if you, also, can feel the difference! For those that have experienced burping up fish oil, this has never happened to either one us. And FYI, when you do burp it up, it could be from the lack of quality, especially in the manufacturing process and/or the fillers.