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Table 3 Changes in countermovement jump measures post-supplementation (M ± SD)

From: Evaluation of the effects of two doses of alpha glycerylphosphorylcholine on physical and psychomotor performance

Variable 500 mg A-GPC 250 mg A-GPC 200 mg Caffeine Placebo
Maximum Force (N)
 Baseline     
 Post Supplmentation     
 Change −69.89 ± 187.35 76.57 ± 195.11 −57.30 ± 306.93 −68.14 ± 195.54
Average Force (N)
 Baseline     
 Post Supplmentation     
 Change 31.08 ± 61.29 −6.67 ± 34.18 9.24 ± 29.37 19.16 ± 42.59
Maximum Velocity (m/s)
 Baseline     
 Post Supplmentation     
 Change −0.12 ± 0.16 0.01 ± 0.13 0.025 ± 0.16 0.00 ± 0.15
Maximum Mechanical Power (Nm/s)
 Baseline     
 Post Supplmentation     
 Change −143.83 ± 344.03 151.77 ± 300.54* 7.39 ± 309.38 31.29 ± 277.29
Impulse (Ns)
 Baseline     
 Post Supplmentation     
 Change 69.57 ± 61.29 66.98 ± 10.91 75.48 ± 19.22 73.78 ± 17.36
  1. * indicates significantly different from 500 mg A-GPC p < 0.05