I have read a few things over the last 2 years that state it can make it more difficult to digest with the 3's and 6's added in...
I did give DD GoodStart with 3/6 until she was about 6 months old, then stopped... I really think the 3/6 thing is really to scam parents
Most formulas have very little of either in them considering the rec amounts
Does M eat fish at all?