Therefore, 400 IU per day could be sufficient after 3 months. Despite significant improvement in serum supplement D amounts in the 800 IU group, higher levels didn’t result in better bone mineralization at 3 months old as measured by dual energy X-ray absorptiometry . In addition, weight, length and mind circumference didn’t differ significantly between your groups. Dr. Natarajan also mentioned that one infant in the 800 IU group had supplement D levels that were higher than recommended levels at 3 months of age regardless of the levels at term age being normal. Excess vitamin D for at least a month can cause decreased muscle tissue tone, decreased appetite, irritability and constipation, among other problems.These increases corresponded with a growth in air soil amounts in the same a few months. McElmurry and co-employees calculated a 1 percent upsurge in resuspended soil led to a 0.39 percent upsurge in the amount of lead in the atmosphere. Notably, the seasonal variants in atmospheric lead were straight correlated with seasonal variations in blood lead levels in the children tested. The group also found that increases in the amount of atmospheric lead predict higher mean blood lead levels in younger compared with older children. For instance, an atmospheric boost of 0.