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Table 2 Beverages caffeine content in mg/oz

From: Caffeine consumption, intoxication, and stress among female university students: a cross-sectional study

 

Mg/oz

 

Type

Size

 

S

M

L

XL

Regular

95.2

142.8

190.4

238

Arabic

4.1

K cups

120

180

240

300

Instant

75.2

122.8

150.4

188

Flavored

48

72

96

120

Specialty

94.8

142.2

189.6

237

Espresso

219

Canned coffee

16.4

24.6

32.8

41

D-café

2

3

4

5

Black tea

47.2

70.8

94.4

118

Green tea

24.8

37.2

49.6

62

Canned tea

16

24

32

40

Cola

24

Citrus

36.8

Energy drinks

80