a cup of filter coffee is approx 100mg
a cup of instant coffee is approx 66mg
a cup of tea made with loose leaf tea is approx 41mg
a cup of tea made with a teabag is approx 40mg
a can of cola is approx 23mg
a 50g bar of plain chocolate is approx 20mg
a 50g bar of milk chocolate is approx 7mg
a cup of hot chocolate drink is approx 5mg
a cup of green tea is approx 4mg
a cup of decaff is approx 3mg
a fizzy drink containing the herb guarana: This is a South American herb closely related to caffeine but not believed to be as toxic.
a cup of ‘Red Bush’ herbal tea: This is naturally caffeine free although it does contain tannin, an ‘antinutrient’ which binds to minerals such as iron and zinc in the gut thus preventing their absorption.
Thursday, May 10, 2007
62. Levels of Caffeine
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