Table 1.
Prevalence and quantities of ingredients included in the bestselling energy drinks and energy shots (n = 75) per serving size.
| Ingredient | Overall Prevalence (%) | Prevalence in Undisclosed Quantity (%) | Prevalence in Listed Quantity (%) | Mean ± SD Listed Quantity | Range |
|---|---|---|---|---|---|
| Caffeine (mg) | 100 | 0 | 100 | 174 ± 81 | 45; 400 |
| Vitamin B6 (%DV) | 72.0 | 0 | 72 | 367 ± 648 | 17.7; 2353 |
| Sodium (mg) | 70.7 | 0 | 70.7 | 120 ± 118 | 2; 530 |
| Niacin (%DV) | 66.7 | 0 | 66.7 | 121 ± 70 | 18.8; 250 |
| Vitamin B12 (%DV) | 66.7 | 0 | 66.7 | 5245 ± 10,475 | 18.8; 41,666.7 |
| Sugars (g) | 45.3 | 0 | 45.3 | 19.9 ± 18.2 | 1; 63 |
| Vitamin B5 (%DV) | 37.3 | 0 | 37.3 | 114 ± 77 | 20; 400 |
| Taurine | 37.3 | 37.3 | 0 | N/A | N/A |
| Potassium (mg) | 34.7 | 0 | 34.7 | 148 ± 197 | 13; 830 |
| Ginseng | 30.7 | 30.7 | 0 | N/A | N/A |
| Guarana | 25.3 | 25.3 | 0 | N/A | N/A |
| Vitamin C (%DV) | 22.7 | 0 | 22.7 | 59.8 ± 48.7 | 3; 190 |
| Tyrosine | 22.7 | 22.7 | 0 | N/A | N/A |
| Calcium (mg) | 17.3 | 0 | 17.3 | 128 ± 175 | 5; 520 |
| L-Theanine | 17.3 | 17.3 | 0 | N/A | N/A |
| Carnitine | 16.0 | 16.0 | 0 | N/A | N/A |
| Magnesium (mg) | 12.0 | 0 | 12.0 | 25.4 ± 23.4 | 3.5; 74 |
| Vitamin B2 (%DV) | 8.0 | 0 | 8.0 | 133 ± 81 | 40; 260 |
| Vitamin A (%DV) | 6.7 | 0 | 6.7 | 78.6 ± 86.8 | 10; 220 |
| Folate (mcg) | 6.7 | 0 | 6.7 | 258 ± 194 | 40; 400 |
| Vitamin D (%DV) | 2.7 | 0 | 2.7 | 35.0 ± 21.2 | 20; 50 |
| Choline (mg) | 2.7 | 0 | 2.7 | 267 ± 330 | 33; 500 |
| Vitamin B1 (%DV) | 1.3 | 0 | 1.3 | 25.0 | N/A |