Table 3.

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

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

^* indicates significantly different from 500 mg A-GPC p < 0.05