NOW L-Tryptophan Powder

NOW · L-Tryptophan Powder

NOW

L-Tryptophan Powder

Amino acid/Protein57 servings

Looks good our read

The dose here lands inside the range studies actually used.

Dose At dose vs. studied dose

  • Vegan
  • Vegetarian
  • Gluten Free
  • Dairy Free
Quality

How it scores

$13.904.3 (79)

Overall

B

Evidence

B

Dose

A

Formulation

A

The label

What's in it, judged

Supplement Facts

Serving Size: 2 tsp (1 g)

57 per container

IngredientAmount%DV

† Daily Value not established

Other ingredients: Cellulose.

Suggested Usage: Take one or two 1/4 level teaspoons 2 to 3 times daily on an empty stomach, with final dose at bedtime, or as directed by your physician.

at the studied dose Every ingredient links to our evidence.

Reported interactions

Interacts with:
Antidepressants
Side effects:
Eosinophilia ·Myalgia

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

Dose check

Is it dosed to do anything?

  • L-Tryptophan

    At the studied dose

    1.9 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

  • Sleep qualityB

    Lower sleep quality scores

    Sleep

  • Executive functionC

    Improve executive function

    Attention & executive function

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