From the manufacturers website of a coconut french vanilla coffee creamer:
Ingredients: ORGANIC COCONUT MILK (WATER, ORGANIC COCONUT CREAM), DRIED CANE SYRUP, NATURAL FLAVORS, COLORED WITH TITANIUM DIOXIDE, DIPOTASSIUM PHOSPHATE, CARRAGEENAN, GUAR GUM.
My guess, from looking at the abstract of the report (which is behind a paywall), "Titanium Dioxide Nanoparticles in Food and Personal Care Products" is that the the metal is simply used for the (white) coloring. Is this all it is used for?
From the paper abstract:
... human exposure analysis to $\ce{TiO2}$ through foods identified children as having the highest exposures because $\ce{TiO2}$ content of sweets is higher than other food products, and that a typical exposure for a US adult may be on the order of 1 mg Ti per kilogram body weight per day.
Is there any potential risk (toxicity) to consumption of $\ce{TiO2}$ at these levels?