An endeavor by Food and Drug Administration to verify the safety of caffeine-added foods has got Wrigley to remove its new caffeinated gum from the market till further information on this matter.

"After discussions with the FDA, we have a greater appreciation for its concern about the proliferation of caffeine in the nation's food supply. There is a need for changes in the regulatory framework to better guide the consumers and the industry about the appropriate level and use of caffeinated products," Keller told a leading news agency.
Medical associations have cautioned that excessive caffeine can be detrimental to the health of the children and can harm children’s neurologic and cardiovascular systems.
Source-Medindia