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@hippy
DFP, that study is not (yet) in the unproven claims but
"catechins in green tea increase metabolic levels, by speeding the release of brain chemical norepinephrine (noradrenaline)."
and
"Japanese researchers claim that drinking five cups of green tea a day can burn 70 to 80 extra calories. Dr. Nicholas Perricone, a self-proclaimed anti-aging specialist, appeared on The Oprah Winfrey Show and told Oprah's viewers they can lose 10 lbs (4.5 kg) in 6 weeks drinking green tea instead of coffee."
are.
The Birmingham Uni study used Green Tea Extract, NOT green tea.
The Birmingham Uni study tested a small number of healthy males.
What if GTE has the opposite effect in females? Have they tested this?
Let's say it does increase fat metabolism. How does it compare with other thermogenic substances: ephedra, bitter orange, capsicum, ginger, caffeine?
And really more to my point, why can't fat loss involve eating normal foods and doing exercise? Why does it always seem to involve magic potions and wonder drugs.