Dietary titanium as TiO2+ improved animal growth during infancy while inhib
iting the metabolism of intestinal bacteria. TiO2+ was also found capable o
f inhibiting human cytomegalovirus in tissue culture. These and other findi
ngs indicate TiO2+, improves infant growth by acting as an antibacterial an
d antiviral agent. The behavior of TiO2+ stands in contrast to that of TiO2
, which is inert.