L-Tryptophan
Amino acid
L-Tryptophan is usually an active ingredient: 725 of 726 products list it that way, and 1 list it as a filler. A typical serving holds about 400 mg; half of products give between 200 mg and 484 mg.
Dose per serving from products
559 products in our catalogue print how much L-Tryptophan a serving holds.
Most common: 250 mg to 500 mg, 46% of 559 products.
| Dose per serving | Products |
|---|---|
| 25 mg or less | 27 |
| 25 mg to 50 mg | 16 |
| 50 mg to 100 mg | 35 |
| 100 mg to 250 mg | 98 |
| 250 mg to 500 mg | 257 |
| 500 mg to 1 g | 94 |
| 1 g to 2.5 g | 32 |
Products that contain L-Tryptophan
726 in our catalogue.