Jim, thank you for that information! I also tried a magnesium supplement (magnesium citrate) but it didn't help much. I think it rather increased the amount of VES. I am surprised that magnesium oxide helped you - cause I was told by everyone that magnesium oxide isn't well absorbed by the body and only about 4% is being absorbed. Interestingly, none of the specialists I have been to mentioned the possibility of taking magnesium neither...