NOW
L-Tryptophan 500 mg
Amino acid/Protein30 servings
Looks good our read
The dose here lands inside the range studies actually used.
Dose At dose vs. studied dose
How to takeSuggested Usage: Take 1-2 capsules 2 to 3 times daily on an empty stomach, with final dose at bedtime, or as directed by your physician.
- Vegan
- Vegetarian
- Kosher
- Halal
- Gluten Free
- Dairy Free
Quality
How it scores
$17.64
Overall
B
Evidence
B
Dose
A
Formulation
B
Dose check
Is it dosed to do anything?
-
L-Tryptophan
At the studied dose3 g / day studies used 1-3 g · 2 studies
What L-Tryptophan is good for
- Body clockC
Shift your body clock earlier
Sleep
- Sleep qualityB
Improve sleep quality
Sleep
The label
What's in it
Serving size 1-2 Veg Capsule(s)
IngredientAmount%DV
- L-Tryptophan 1,000 mg -
Other ingredients
Clean formula. The inactive ingredients are standard capsule components.
- Hypromellose: capsule shell material
- Rice Flour: filler; benign but cheap
- Ascorbyl Palmitate: antioxidant; benign
- Stearic Acid: flow agent; fine in trace
Reported interactions
- Interacts with:
- Antidepressants
- Side effects:
- Eosinophilia ·Myalgia
From research databases. Not medical advice — talk to your physician.