Source Naturals
L-Tryptophan 500 mg
Amino acid/Protein66 servings
Looks good our read
The dose here lands inside the range studies actually used.
Dose At dose vs. studied dose
How to takeSuggested use: 1/4 teaspoon three times daily, between meals and preferably with fruit juice. To support restful sleep, take 3/4 teaspoon before bed.
- Vegetarian
- Gluten Free
- Dairy Free
- Sugar Free
Quality
How it scores
$-0.01 ★ 4.0 (1)
Dose check
Is it dosed to do anything?
-
L-Tryptophan
At the studied dose4.5 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 0.5 Gram(s) (1/4 teaspoon)
IngredientAmount%DV
- L-Tryptophan 1.5 Gram(s) -
Reported interactions
- Interacts with:
- Antidepressants
- Side effects:
- Eosinophilia ·Myalgia
From research databases. Not medical advice — talk to your physician.
The brand
Source Naturals
73/100Source Naturals is a transparent, quality-conscious supplement brand with public testing explanations and product disclosures, but the available materials do not establish independent certification or standout value.
Quality 66
Formulation 68
Safety 70
Transparency 70
Value 76
- ✓ Premium ingredients
