Caffeine allergy

Caffeine allergy, also called an IgE-mediated hypersensitivity reaction to caffeine, is very rare.Only a handful of cases of caffeine allergy have been reported within and outside of the United States. The known symptoms of caffeine allergy are hives (urticarial) and...

How much caffeine is in coffee, tea and other caffeinated drinks?

ON THIS PAGEHow much caffeine is in most popular drinks and foods? Complete list of drinks and their caffeine contents Caffeine and CoffeeTopicsHow much caffeine is in coffee, tea and other caffeinated drinks?The following image shows caffeine levels in the most...

Caffeine levels in drinks and foods

ON THIS PAGECaffeine levels in most popular drinks and foods Complete list of drinks and their caffeine contents Caffeine and CoffeeTopicsCaffeine levels in drinks and foodsThe following image shows caffeine levels in the most popular drinks and food. It includes...

Caffeine sensitivity depends on your genes

ON THIS PAGEWhat is caffeine sensitivity?Caffeine Sensitivity symptomsGene CYP1A2 and the rate of breaking down caffeineGene AHR and switching on gene CYP1A2Gene ADORA2A and sensitivity to caffeineGene COMT and the breaking down of catecholamines Caffeine and...

Caffeine sensitivity depends on your genes

ON THIS PAGECaffeine Sensitivity symptomsGene CYP1A2 and the rate of breaking down caffeineGene AHR and switching on gene CYP1A2Gene ADORA2A and sensitivity to caffeineGene COMT and the breaking down of catecholamines Caffeine and CoffeeTopicsCaffeine sensitivity...