In today'smarket, wefinda whole series of products deprived of their malignant properties: coffeewithoutcaffeine, creamwithout fat, beerwithoutalcohol.
Caffeine poisoning is certainly possible, but for most people (without a preexisting heart condition) it would require drinking a massive amount of caffeinated beverages to reach that level.
His two-ounce caffeine and vitamin elixir, 5-Hour Energy, promises to keep users alert without crashing -- and claims a 90%-plus market share in the energy shot sector.