Does tryptophan work?
The overall effectiveness rating for tryptophan is 2.2 out of 3. This rating means there is some evidence that using tryptophan may lead to positive results. This rating also means that some evidence does not back up all claims. Below you can find individual ratings for specific claims.
There are 4 studies in the database on tryptophan; the confidence rating is 25. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating. Note, this rating is for tryptophan as a whole. There are also individual ratings for the claims below.
Products Containing Tryptophan
|Products Containing Tryptophan|
|BCAA/EAA Hydration Intra-Workout|
|Amino Synergy Caffeine Free|
|Full list of all 25 products containing Tryptophan.|
The overall ratings above do no necessarily reflect each claim about tryptophan. Individual claims can have higher or lower ratings. For example, some supplements may have a lot of backing for one claim, but be completely useless for another. Click on claims below for more information.
|Performance Claims||Effectiveness Rating||Confidence Rating|
|improve cycling performance||improve running performance||decrease fatigue|
|Mental Health Claims||Effectiveness Rating||Confidence Rating|
|improve cognitive ability|