Table 2.
Nutritional components per serving for the different supplements.
| Variable | PLA | LEU | WPC | WPH | SPC |
|---|---|---|---|---|---|
| Calories | 204 | 200 | 184 | 192 | 266 |
| Total Fat (g) | 2.8 | 2.0 | 3.5 | 4.6 | 4.5 |
| Saturated Fat (g) | 2.3 | 1.6 | 2.3 | 3.3 | 2.6 |
| Trans Fat (g) | 0.0 | 0.0 | 0.1 | 0.2 | 0.2 |
| Cholesterol (mg) | 3.8 | 2.9 | 74.0 | 74.3 | 5.3 |
| Total Carbohydrate (g) | 44.4 | 43.1 | 12.0 | 12.2 | 17.2 |
| Dietary Fiber (g) | 1.6 | 1.8 | 1.8 | 2.2 | 1.5 |
| Sugars (g) | 6.0 | 5.1 | 5.9 | 3.2 | 6.2 |
| Protein (g) | 0.4 | 2.3 | 26.3 | 25.4 | 39.2 |
| Alanine (mg) | 7 | 7 | 1397 | 1430 | 1646 |
| Arginine (mg) | 8 | 8 | 766 | 773 | 2969 |
| Aspartic Acid (mg) | 15 | 16 | 2881 | 3010 | 4537 |
| Cystine (mg) | 0 | 0 | 651 | 728 | 536 |
| Glutamic Acid (mg) | 36 | 35 | 4530 | 4730 | 7154 |
| Glycine (mg) | 6 | 6 | 489 | 543 | 1597 |
| Histidine (mg) | 0 | 0 | 470 | 477 | 910 |
| Isoleucine (mg) | 8 | 28 | 1736 | 1820 | 1842 |
| Leucine (mg) | 15 | 2871 | 2794 | 2910 | 2960 |
| Lysine (mg) | 11 | 79 | 2386 | 2640 | 2362 |
| Methionine (mg) | 0 | 8 | 598 | 611 | 540 |
| Phenylalanine (mg) | 8 | 9 | 861 | 908 | 1980 |
| Proline (mg) | 14 | 13 | 1630 | 1670 | 2029 |
| Serine (mg) | 10 | 9 | 1348 | 1400 | 1950 |
| Threonine (mg) | 7 | 7 | 1853 | 1900 | 1499 |
| Tryptophan | 0 | 0 | 482 | 525 | 501 |
| Tyrosine (mg) | 7 | 7 | 808 | 839 | 1480 |
| Valine (mg) | 11 | 14 | 1465 | 1530 | 1754 |
| Total EAAs (mg) | 60 | 3016 | 12,645 | 13,321 | 14,348 |
| Total BCAAs (mg) | 34 | 2913 | 5995 | 6260 | 6556 |
| Calcium (mg) | 15 | 15 | 155 | 152 | 165 |
| Iron (mg) | 0.38 | 0.35 | 0.63 | 1.04 | 5.21 |
| Potassium (mg) | 32 | 37 | 230 | 464 | 961 |
| Sodium (mg) | 91 | 105 | 133 | 310 | 217 |
| Vitamin D3 (IU) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Degree of hydrolysis (%) | N/A | N/A | N/A | 12.5 | N/A |
| M.W. range (%) | |||||
| >10.0 kD | - | - | 74.3 | 29.0 | 86.0 |
| 5.0–10.0 kD | - | - | 5.1 | 5.3 | 3.6 |
| 2.0–5.0 kD | - | - | 15.4 | 10.2 | 2.6 |
| 1.0–2.0 kD | - | - | 1.6 | 10.8 | 1.2 |
| 0.5–1.0 kD | - | - | 0.9 | 15.5 | 0.9 |
| <0.5 kD | - | - | 2.7 | 29.3 | 5.6 |
Abbreviations: PLA, maltodextrin placebo; LEU, L-leucine; WPC, whey protein concentrate; WPH, whey protein hydrolysate; SPC, soy protein concentrate; g, grams; mg, milligrams; IU, international units; kD, kilodaltons; N/A, not applicable.