NutraBio 100% Pure L-Tryptophan 500 Milligrams

NutraBio · 100% Pure L-Tryptophan 500 Milligrams

NutraBio

100% Pure L-Tryptophan 500 Milligrams

Amino acid/Protein150 servings

Looks good our read

The dose here lands inside the range studies actually used.

Dose At dose vs. studied dose

How to take1-2 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.

  • Vegetarian
  • Kosher
  • Gluten Free
Quality

How it scores

Overall

B

Evidence

B

Dose

A

Formulation

A

Brand

90/100

Dose check

Is it dosed to do anything?

  • L-Tryptophan

    At the studied dose

    1 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 Vegetable Capsule(s)

IngredientAmount%DV

Other ingredients

Clean formula. The inactive ingredients are standard capsule components.

  • Vegetable Capsule

Reported interactions

Interacts with:
Antidepressants
Side effects:
Eosinophilia ·Myalgia

From research databases. Not medical advice — talk to your physician.

The brand

NutraBio

90/100

NutraBio 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.

Quality 97
Formulation 89
Safety 89
Transparency 100
Value 68
  • ✓ Public COAs
  • ✓ Third-party tested
  • ✓ Effective dosing
  • ✓ Premium ingredients
Read the full NutraBio investigation →

You might also like

Want personalized recommendations?

Show me what works for me