| Tryptophan | 🇺🇸United States | | | Status unknown | |
| Apo-Tryptophan | 🇨🇦Canada | 500 MG | Capsule | Marketed | Apotex INC |
| Apo-Tryptophan | 🇨🇦Canada | 500 MG | Tablet | Marketed | Apotex INC |
| Apo-Tryptophan | 🇨🇦Canada | 750 MG | Tablet | Marketed | Apotex INC |
| Apo-Tryptophan | 🇨🇦Canada | 1 G | Tablet | Marketed | Apotex INC |
| Teva-Tryptophan | 🇨🇦Canada | 500 MG | Capsule | Marketed | Teva Canada Limited |
| Teva-Tryptophan | 🇨🇦Canada | 500 MG | Tablet | Marketed | Teva Canada Limited |
| Apo-Tryptophan | 🇨🇦Canada | 250 MG | Tablet | Authorised | Apotex INC |
| Dom-Tryptophan | 🇨🇦Canada | 1 G | Tablet | Cancelled | Dominion Pharmacal |
| PHL-Tryptophan | 🇨🇦Canada | 500 MG | Tablet | Cancelled | Pharmel INC |
| PHL-Tryptophan | 🇨🇦Canada | 500 MG | Capsule | Cancelled | Pharmel INC |
| PHL-Tryptophan | 🇨🇦Canada | 1 G | Tablet | Cancelled | Pharmel INC |
| PMS-Tryptophan | 🇨🇦Canada | 500 MG | Tablet | Cancelled | Pharmascience INC |
| PMS-Tryptophan | 🇨🇦Canada | 500 MG | Capsule | Cancelled | Pharmascience INC |
| PMS-Tryptophan | 🇨🇦Canada | 1 G | Tablet | Cancelled | Pharmascience INC |
| Teva-Tryptophan | 🇨🇦Canada | 1 G | Tablet | Cancelled | Teva Canada Limited |
| Tryptan | 🇨🇦Canada | 1 G | Tablet | Marketed | Bausch Health, Canada INC. |
| Tryptan | 🇨🇦Canada | 500 MG | Tablet | Marketed | Bausch Health, Canada INC. |
| Tryptan | 🇨🇦Canada | 500 MG | Capsule | Marketed | Bausch Health, Canada INC. |
| Tryptan | 🇨🇦Canada | 750 MG | Tablet | Marketed | Bausch Health, Canada INC. |
| Tryptan | 🇨🇦Canada | 250 MG | Tablet | Marketed | Bausch Health, Canada INC. |
| L-Tryptophan 7423 | 🇺🇸United States | | | Status unknown | |
| TravasolCombination | 🇨🇦Canada | 1.15 G / 100 ML + 1.03 G / 100 ML + 480 MG / 100 ML + 600 MG / 100 ML + 2.07 G / 100 ML + 580 MG / 100 ML + 730 MG / 100 ML + 400 MG / 100 ML + 560 MG / 100 ML + 680 MG / 100 ML + 500 MG / 100 ML + 420 MG / 100 ML + 180 MG / 100 ML + 40 MG / 100 ML + 580 MG / 100 ML | Solution | Marketed | Baxter Corporation |
| Aminoplasmal B.Braun 10% e Solucion Para PerfusionCombination | 🇪🇸Spain | 0,4 g + 5 g + 8,9 g + 4,4 g + 4,7 g + 4,2 g + 8,56 g + 1,6 g + 6,2 g + 11,5 g + 3 g + 10,5 g + 12 g + 5,6 g + 7,2 g + 5,5 g + 2,3 g + 2.858 g + 0,36 g + 2.453 g + 0,508 g + 3.581 g | solución para perfusión | Marketed | B. Braun Melsungen Ag |
| Aminoplasmal B.Braun 10% Solucion Para PerfusionCombination | 🇪🇸Spain | 5 g + 8,9 g + 5,74 g + 3,12 g + 4,4 g + 4,7 g + 4,2 g + 1,6 g + 6,2 g + 11,5 g + 3 g + 10,5 g + 12 g + 5,6 g + 7,2 g + 5,5 g + 2,3 g + 0,4 g | solución para perfusión | Marketed | B. Braun Melsungen Ag |