NutraBio
100% Pure L-Tryptophan
Amino acid/Protein300 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: 0.5-1 Gram(s) (1-2 scoops)
300 per container
- L-Tryptophan 500 mg †
† Daily Value not established
Other ingredients: Absolutely None.
Suggested Use: As a dietary supplement, take 1-2 scoops mixed with your favorite beverage 1-2 times daily on an empty stomach, or as directed by your physician. For maximum benefit, take up to 3 grams per day. As a sleep aid, take 1-2 servings 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