“Most so-called energy drinks are loaded with caffeine far above the FDA limit set for carbonated colas such as Pepsi or Coke, researchers here reported… Energy drinks — with brand names such as Red Bull and SoBe No Fear — are not included in the FDA regulation that limits caffeine in colas or sodas… Because caffeine content is not disclosed on the label, these products may pose a health threat to unsuspecting consumers who should limit their caffeine intake, such as those with hypertension, pregnant women, or those who suffer from anxiety attacks…” (Medpage Today)