For sure green tea does contain caffeine. Content varies by the
amount of tea used and the length of time the leaves are infused. All
things being equal the content of green tea consists of 40 mg of
caffeine. The context of caffeine and its effects in our bodies are
quite broad. We need to understand that caffeine has its benefits and a
number of negative implications on our bodies especially on our blood
system. It is not that we should shy away from the fact that green tea
too has levels of caffeine but should look at the comparative effects
and benefits it offer from such a perspective as is this caffeine bad?
Green
tea has four important constituents that all work together; caffeine,
tannin, essential oils and vitamins. A lot of people would be surprised
to hear that caffeine can actually be beneficial when taken in green tea
as it works slightly differently from the caffeine in coffee. The good
news is caffeine in tea can stimulate the circulation and metabolism via
the central nervous system. As more oxygen is pumped to the brain,
mental powers are heightened, reactions speed up and muscle function
actually improves.
The tannin in the green tea works alongside the
caffeine having a relaxing and stabilizing effect. This means the
caffeine is absorbed more slowly and prevents that "caffeine shock" we
all know too well from coffee. As such, if we look at these caffeine and
related components of green tea positively, we will find it quite
pivotal in our lives to drink as much green tea as we can so as to
achieve as much benefits as we can from the magical green tea.
Green
tea contains L-theanine. L-theanine is a healthy amino acid that is
only found in tea plants and certain mushrooms. L-theamine directly
stimulates the production of alpha brain waves which promotes a state of
relaxed awareness; it has a calming effect on the body without making
one drowsy.
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