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Table 7 Investigations examining the effects of caffeinated bars and gels on exercise performance

From: International society of sports nutrition position stand: caffeine and exercise performance

Author

Participants

Protocol

Results

Hogervorst et al. 2008 [82]

Well-trained male cyclists (n = 24)

Bar with 100 mg caffeine and 45.0 g CHO

• Bar with only 45.0 g CHO

• 300 mL non-caloric beverage

*↑Stroop and Rapid Visual Information Processing tests after 140 min and time to exhaustion exercise trial at 75% VO2max

Cooper et al. 2014 [83]

Recreationally trained males (n = 12)

Gel with 100 mg caffeine and 25.0 g CHO

• Gel with 25 g CHO

• Gel placebo

*↓ fatigue and RPE during 3rd sprint set

NS: sprint performance

Scott et al. 2015 [84]

Male college athletes (n = 13)

Gel with 21.6 g CHO and 100 mg caffeine

• Gel with 21.6 g CHO

*↑ performance in 2000 m rowing task

Venier et al. 2019 [67, 68]

Resistance-trained men (n = 17)

Gel with 88 g CHO and 300 mg caffeine

• Gel with 88 g CHO

*↑ jumping height

*↑ isokinetic strength and power

*↑ movement velocity in the bench press

NS: whole-body power output

  1. Bold text associated with reported trial outcomes; mg = milligrams, g = grams, CHO = carbohydrate, * = significant, NS = non-significant difference, VST = visual sensitivity test, ↑ = improved performance, ↓ = decreased, m = meters, RPE = rating of perceived exertion, mL = milliliters