Amino acid/Protein

L-Tryptophan

by SuperiorLabs · Capsule

Supplement facts from the label of L-Tryptophan by SuperiorLabs: L-Tryptophan 500 mg.

Label of L-Tryptophan, SuperiorLabs
Label image: NIH DSLD · full label (PDF)
Serving size1 Capsule(s)
Servings per container120
Most servings a day on the label3
TypeAmino acid/Protein
Barcode850569006209
Label recordDSLD 338186 · entered 2025-09-25

Supplement Facts

IngredientPer serving% DVUpper limit (adults)
L-Tryptophan500 mg——

Upper limits: NIH ODS Fact Sheets for Health Professionals. Compared only where the unit converts and the limit applies to the form on the label.

On the label

For: Adult (18 - 50 Years)

Claim types: Nutrient · All Other · Structure/Function

Formula re: Contains: L-Tryptophan is an amino acid that is converted in the body to serotonin, an important neurotransmitter that supports many functions in the brain and is used to aid sleep. As we age, many find it more difficult to get a good night's rest and L-Tryptophan can help maintain serotonin levels to support normal sleep.

Suggested/Recommended/Usage/Directions: Suggested use: As a dietary supplement, adult take 1 capsule two to three times daily, or as directed by your health care practitioner. Best when taken with a meal.

Precautions re: All Other: Caution: Do not exceed recommended dosage. Do not use if safety seal is damaged or missing.

Precautions re: Pregnant or Nursing or Prescription Medications: Please consult a physician before consuming this product if you are pregnant or nursing, taking medication or have a medical condition.

Precautions re: Children: Not intended for use by individuals under the age of 18. Keep out of reach of children.

Storage: Store in a cool, dry place.

This page repeats what the label says and the official upper limits for healthy adults. It is not medical advice: ask a doctor, pharmacist or registered dietitian about your own intake, especially if you are pregnant, take medicines or have a health condition.

Label data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).