Hanna and brenda, thank you for your help. Let's see what happens with 10 mg manganese daily (taken half an hour before meal). I shall report! I was wondering about the WaterOz manganese. It is supposed to be more absorbable, but is there another reason why it is better? Are there some drawbacks to taking other forms of manganese? I remember vaguely reading that there might be problems with manganese supplementation which are avoided with the Water Oz, and don't remember where I read this, or if it is even true.