On average there are in a normal cup 30 mg of Caffeine in Teas x 110 mg in Coffee.  This is scientifically tested. Furthermore, the caffeine in teas are easier to dispel, due to its nature, quickly eliminated by the body fluid. Of course, this may vary depending in the way one prepares the teas.

GREEN -  NORMAL

OOLONG – NORMAL

PUERH -  LOW

BLACK – NORMAL

JASMINE FLOWER -  LOW

LOTUS TEA – NO CAFFEINE  ~

TIBET TEA – NO CAFFEINE ~

WHITE  TEA –  LOW

~The reason why Tibet and Lotus have no caffeine, is that they are not scientifically qualified as Teas , but as Herbs . They do not come from the Tea Plant - Camellia sinensis . 

CAFFEINE IN TEAS –  WHAT YOU SHOULD KNOW…

  • Caffeine occurs naturally in the tea plant, Camellia sinensis, so all teas contains some caffeine.
  • Hotter water and longer steeping time will draw out more caffeine in brewed tea. Cooler water and shorter steeping time extract less caffeine—think green , black or white tea.
  • Tea is the only plant that contains L-theanine, an amino acid that promotes calm and relaxation. It works in synergy with the stimulant caffeine to induce a state of mindful alertness. 
  • Caffeine from tea is thought to absorb more slowly in the body than caffeine from coffee. This gentle release promotes a longer period of alertness without a jittery rush at the start or crash at the end.
  • Caffeine occurs naturally in the tea plant, Camellia sinensis, so all brewed tea contains some caffeine.
  • Hotter water and longer steeping time will draw out more caffeine in brewed tea—think black or oolong tea. Cooler water and shorter steeping time extracts less caffeine—think green or white tea.
  • Tea is the only plant that contains L-theanine, an amino acid that promotes calm and relaxation. It works in synergy with the stimulant caffeine to induce a state of mindful alertness. 
  • Caffeine from tea is thought to absorb more slowly in the body than caffeine from coffee. This gentle release promotes a longer period of alertness without a jittery rush at the start or crash at the end.
  • Pregnant women should not drink teas. Except the ones with No caffeine. 
  • Avoid any teas that have no caffeine ,  processed by chemical elements and industrial process.  They are harmful to your health