Amino acid/Protein

L-Tryptophan 500 mg

by Jarrow Formulas · Capsule

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

Label of L-Tryptophan 500 mg, Jarrow Formulas
Label image: NIH DSLD · full label (PDF)
Serving size1 Capsule(s)
Servings per container60
Most servings a day on the label1
TypeAmino acid/Protein
Barcode790011150565
Label recordDSLD 307642 · entered 2024-01-24

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: Vegan · Vegetarian · Adult (18 - 50 Years) · No Allergies · Gluten Free · Dairy Free

Claim types: Nutrient · All Other · Structure/Function

Suggested/Recommended/Usage/Directions: Suggested Use: Adults take 1 capsule once a day on an empty stomach 30 minutes before sleep with water or fruit juice or as directed by your qualified healthcare professional.

Formula re: Contains: Jarrow Formulas L-tryptophan is an essential amino acid that cannot be synthesized by the body, but must be obtained from food or supplements. L-tryptophan is converted to serotonin (5-hydroxytryptamine) and melatonin in the body, which plays an important role in supporting a balanced mood and restful sleep.

Precautions re: Pregnant or Nursing or Prescription Medications: Warning: Do not take this product if you are taking any SSRIs (selective serotonin reuptake inhibitors) or MAOIs (monoamine oxidase inhibitors). Consult a healthcare professional before using this product if you are trying to conceive, pregnant, or lactating, under the age of 18, or have a medical condition; if adverse reactions occur, discontinue use.

Precautions re: Children: Consult a healthcare professional before using this product if you are trying to conceive, pregnant, or lactating, under the age of 18, or have a medical condition; if adverse reactions occur, discontinue use. Keep out of the reach of children.

Precautions re: All Other: This product is for occasional sleeplessness. Do not use if safety seal is damaged or missing.

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).