Variable | Baseline | Week 2 | Week 4 | Week 6 |
Attentive |
|
|
|
|
Supplement | 6.4 ± 0.39 | 6.7 ± 0.41 | 6.3 ± 0.39 | 6.8 ± 0.34 |
Placebo | 6.0 ± 0.39 | 6.6 ± 0.26 | 6.5 ± 0.30 | 5.9 ± 0.53 |
Tired* |
|
|
|
|
Supplement | 6.4 ± 0.45 | 5.1 ± 0.48 | 5.4 ± 0.56 | 5.4 ± 0.56 |
Placebo | 6.4 ± 0.39 | 4.4 ± 0.31 | 5.1 ± 0.41 | 4.1 ± 0.43 |
Alert** |
|
|
|
|
Supplement | 6.8 ± 0.36 | 6.6 ± 0.33 | 6.1 ± 0.49 | 6.8 ± 0.31 |
Placebo | 5.6 ± 0.36 | 6.0 ± 0.39 | 6.4 ± 0.27 | 6.1 ± 0.49 |
Groggy |
|
|
|
|
Supplement | 4.8 ± 0.55 | 4.1 ± 0.56 | 4.2 ± 0.55 | 4.1 ± 0.52 |
Placebo | 5.4 ± 0.54 | 3.7 ± 0.44 | 3.9 ± 0.57 | 3.5 ± 0.61 |
Focused |
|
|
|
|
Supplement | 6.1 ± 0.36 | 6.5 ± 0.42 | 5.8 ± 0.53 | 6.5 ± 0.47 |
Placebo | 5.6 ± 0.35 | 6.3 ± 0.40 | 6.2 ± 0.37 | 6.0 ± 0.26 |
Sluggish* |
|
|
|
|
Supplement | 4.8 ± 0.57 | 4.0 ± 0.51 | 4.4 ± 0.57 | 3.9 ± 0.55 |
Placebo | 5.4 ± 0.55 | 3.5 ± 0.42 | 3.6 ± 0.53 | 3.8 ± 0.60 |
Energetic* |
|
|
|
|
Supplement | 5.4 ± 0.44 | 5.6 ± 0.41 | 5.6 ± 0.36 | 6.4 ± 0.32 |
Placebo | 4.7 ± 0.34 | 6.2 ± 0.43 | 5.8 ± 0.35 | 6.0 ± 0.41 |
Lethargic |
|
|
|
|
Supplement | 4.1 ± 0.63 | 3.9 ± 0.56 | 3.3 ± 0.50 | 3.4 ± 0.41 |
Placebo | 4.4 ± 0.50 | 3.4 ± 0.46 | 3.3 ± 0.50 | 3.1 ± 0.54 |
Enthusiastic |
|
|
|
|
Supplement | 6.4 ± 0.41 | 6.2 ± 0.42 | 5.8 ± 0.45 | 6.5 ± 0.42 |
Placebo | 5.8 ± 0.32 | 6.8 ± 0.32 | 6.5 ± 0.30 | 5.9 ± 0.42 |
Depressed |
|
|
|
|
Supplement | 2.1 ± 0.45 | 2.1 ± 0.5 | 2.4 ± 0.57 | 2.0 ± 0.47 |
Placebo | 2.8 ± 0.58 | 2.3 ± 0.58 | 2.3 ± 0.52 | 2.3 ± 0.62 |
Well Rested* |
|
|
|
|
Supplement | 4.4 ± 0.40 | 6.0 ± 0.52 | 4.8 ± 0.32 | 5.9 ± 0.50 |
Placebo | 3.7 ± 0.34 | 5.6 ± 0.53 | 5.6 ± 0.48 | 6.1 ± 0.51 |
Fatigued* |
|
|
|
|
Supplement | 5.1 ± 0.47 | 3.9 ± 0.55 | 3.8 ± 0.45 | 3.8 ± 0.59 |
Placebo | 5.5 ± 0.48 | 3.2 ± 0.47 | 4.4 ± 0.44 | 3.5 ± 0.52 |