Well 88 % vs 70 % or even 60 % will not make a huge difference as long as the active ingredient purity is fine.
Are you for real? You don't know what the eff you're talking about - the purity of the active ingredient is not the issue here, it's HOW MUCH OF IT THERE IS in a capsule. R-IT data came from four 1 gcaps/day with content of 96% EPA (960 mg) - do you really think a drug with "pure EPA" that only contains 600 mg of EPA/cap (2.4 g/day) is going to give the same results? Have you ever read the results of the ANCHOR study? Do you even know what that was? Appears not - there was a huge diff between the 2 g/day and 4 g/day groups.