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Methylxanthines are a group of mild stimulant drugs that occur naturally in plants and have been used for centuries. The most common methylxanthines are caffeine, theophylline, and theobromine.1

  • Caffeine is the active ingredient in coffee, tea, and cola beverages.1
  • Theobromine is found in cocoa.1
  • Theophylline is used to treat asthma due to its ability to relax the airways.1

Unlike synthetically manufactured stimulants like amphetamines, methylxanthines are milder. They are derivatives of xanthine, a purine base.12

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  1. stimulant
  2. methylxanthine

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