We give the green pastures high vitamin butter oil/fermented fish oil combination in capsules. For some reason, all my kids swallow capsules without fuss, even the three year old. You can also get it as a chocolate or cinnamon flavoured gel, but it does NOT taste good. We also have given phosphatidyl choline capsules recently.
Since starting the fish oil/butter oil combination, we have all had better teeth, I can tell you that. Not sure whether behavior would be any different if we did not do it. When DS9 was little and ASD was first suspected (later conclusively and completely ruled out, so you can imagine how bad things were then to have experts be convinced it must be ASD) starting him on fish oils (then Nordic naturals CLO), vitamin D drops by Thorne and zinc and magnesium (citrate in applesauce) was correlated with much improvement. Since then, none of the kids have not have supplements. We just carry on and hope it helps.
