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L-Tryptophan

product on market Capsule Herbadiet Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade
Label

Product Label

Label for L-Tryptophan
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
60
Servings
Amino acid/Protein
Product Type
0%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

400 mg
Market median: 500.0mg (70 products)

Other Ingredients

Vegetable Cellulose Shell
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions for Use: Take 1 capsule twice a day with juice or water on an empty stomach with final dose at bedtime or as directed by your physician.

Warnings & Precautions

Do not use if seal under the cap is broken or missing. Dietary supplement shouldn't be used as a substitute for a varied diet

Caution: If you are pregnant, breast feeding, or taking medications, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

Keep out of reach of children.

Not for medicinal use

Formulation Notes

Herbadiet L-Tryptophan is a scientifically formulated premium supplement optimized for achieving faster results. This powerful amino acid is critical for the production of serotonin and melatonin. Encapsulating this goodness in our quick release, easy to swallow vegan capsules, guarantees you a premium quality nutritional supplement.

Enhances positive mood Promotes restful sleep Helps improve circulation

Natural color variation may occur in this product

100% pure Supports relaxation

Lab tested

Non-GMO

Free Of preservatives, binders, gluten, artificial ingredients, dairy, soy, wheat, yeast

Every batch 3rd party lab tested

Additional Information

Store in cool, dry place

fssai Lic. No.: 20817018000147 Vcaps Plus GMP Good Manufacturing Practice Quality Product

1% for the planet

License Number: 10018064001315

Metadata

Product Details

UPC / SKU8 80752 50168 6
DSLD Entry Date2021-11-19
Product TypeAmino acid/Protein
FormCapsule
DSLD ID257752
Data Updated2026-04-11
Research

Research Evidence

29
Research Sources
48
Avg Quality
19
Rct
5
Meta Analysis
3
Systematic Review
2
Clinical Trial
B Prebiotic and probiotic supplementation and the tryptophan-kynurenine pathway: A systematic review and meta analysis
Meta Analysis Neuroscience and biobehavioral reviews 2021 PubMed DOI
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2001 PubMed
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2002 PubMed
B The impact of tryptophan supplementation on sleep quality: a systematic review, meta-analysis, and meta-regression
Meta Analysis Nutrition reviews 2022 PubMed DOI
B No effects of acute tryptophan depletion on anxiety or mood in weight-recovered female patients with anorexia nervosa
Rct European archives of psychiatry and clinical neuroscience 2023 PubMed DOI
C The association between tryptophan levels and postpartum mood disorders: a systematic review and meta-analysis
Meta Analysis BMC psychiatry 2022 PubMed DOI
C A systematic review of the effect of L-tryptophan supplementation on mood and emotional functioning
Systematic Review Journal of dietary supplements 2021 PubMed DOI
C Comparison between Acupuncture and Nutraceutical Treatment with Migratens® in Patients with Fibromyalgia Syndrome: A Prospective Randomized Clinical Trial.
Rct Nutrients PubMed DOI
C Intake of Lactiplantibacillus plantarum HEAL9 Improves Cognition in Moderately Stressed Subjects: A Randomized Controlled Study.
Rct Nutrients PubMed DOI
C Are tryptophan and 5-hydroxytryptophan effective treatments for depression? A meta-analysis
Meta Analysis The Australian and New Zealand journal of psychiatry 2002 PubMed
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.