Not so far
Here's the comparison: about 106, 000 deaths/year from drugs.
(the health plus letter february 16, 2010 vol. 8, no. 5)
no deaths from vitamins in 27 years. Bronstein ac, spyker da, cantilena lr jr, green jl, rumack bh, giffin sl. 2009 annual report of the american association of poison control centers' national poison data system (npds): 27th annual report. Clinical toxicology (2010). 48, 979-1178.