NOW
L-Tryptophan Powder
Amino acid/Protein57 servings
The dose here lands inside the range studies actually used.
Dose At dose vs. studied dose
- Vegan
- Vegetarian
- Gluten Free
- Dairy Free
How it scores
Overall
B
Evidence
B
Dose
A
Formulation
A
What's in it, judged
Supplement Facts
Serving Size: 2 tsp (1 g)
57 per container
- L-Tryptophan 950 mg †
† Daily Value not established
Other ingredients: Cellulose.
Suggested Usage: Take one or two 1/4 level teaspoons 2 to 3 times daily on an empty stomach, with final dose at bedtime, or as directed by your physician.
Reported interactions
- Interacts with:
- Antidepressants
- Side effects:
- Eosinophilia ·Myalgia
From research databases. Not medical advice — talk to your physician.
Is it dosed to do anything?
-
L-Tryptophan
At the studied dose1.9 g / day studies used 1-3 g · 5 studies
What L-Tryptophan is good for
- Heart rate responseC
Heart rate response to stress or stimulants
Cardiovascular
- Appetite controlC
Satiety and appetite control
Weight management
- Attention and focusC
Improve attention and concentration
Attention & executive function
- Sleep qualityB
Lower sleep quality scores
Sleep
- Executive functionC
Improve executive function
Attention & executive function