NutraBio
100% Pure L-Tryptophan 500 Milligrams
Amino acid/Protein150 servings
The amount here falls below the dose studies used to see an effect.
Dose Underdosed vs. studied dose
- Vegetarian
- Kosher
- Gluten Free
How it scores
What's in it, judged
Supplement Facts
Serving Size: 1-2 Vegetable Capsule(s)
150 per container
- L-Tryptophan 500 mg †
† Daily Value not established
Other ingredients: Vegetable Capsule.
1-2 capsule(s) - 1-2x daily - Best if taken empty stomach Suggested Use: As a dietary supplement, 1-2 capsules on an empty stomach, 1-2 times daily, or as directed by your physician. For maximum benefit, take up to 3 grams per day. As a sleep aid, take 1-3 capsules 30 minutes before bedtime, during the night if required, or as needed.
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
Below the studied range0.5 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
- EmpathyC
Greater empathy
Social functioning
- Executive functionC
Improve executive function
Attention & executive function
NutraBio
90/100NutraBio shows a credible trust posture for a supplement brand, with cGMP manufacturing and third-party testing, but the available materials do not establish premium value.
- ✓ Public COAs
- ✓ Third-party tested
- ✓ Effective dosing
- ✓ Premium ingredients