The featured pic is from a popular type of antibiotic. Three types (not one, three) of iron oxide (IO) and titanium dioxide (TO) added to this drug.
I have challenged my own GP on this and she had no idea they used TO as a ‘colourant’ or additive.
If you know your thrillers you may have an idea of what heavy metals do when ingested. If not here are some links to information on TO:
An article on “heavy metals” oxidation and toxicity: