My mother is currently running 1iu daily, and she is going to bump it up to 1.5 iu and stay there. Currently she takes 1iu in one shot in the morning, so how shall she dose 1.5 ius? One shot in the morning as well? or possible 1iu in the morning, 0.5iu in afternoon, or 1iu before bed, and 0.5iu when waking up?