`` Millions of Americans consume caffeine responsibly and in moderation as part of their daily routines , '' Wrigley says in a statement . A piece of Alert Energy Caffeine tablets has 100 mg of caffeine . The company says it 's not recommended for adults . The company is looking into the effects of added caffeine on children , teens .
A piece of Alert Energy Caffeine tablets has 100 mg of caffeine . The company says it 's not recommended for adults . The company is looking into the effects of added caffeine on children , teens .