🟢 100/100

This product looks safe

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

Product Label

📸

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Label Data

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

Supplement Facts — Evidence Check

500 mg
📊 Market median: 500.0mg (70 products)
Median 500.0mg This product: 500mg

Other Ingredients

Kosher Vegetable Capsules Vegetable Magnesium Stearate Vegetable Cellulose

Label Claims — Verification

Nutrient
All Other
All Other (100% of products) Structure/Function (90% of products) Nutrient (61% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Kosher Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take one capsule daily or as directed by a healthcare practitioner.

⚠️ Warnings & Precautions

Caution: Do not use this product, if you are pregnant, trying to conceive, breastfeeding or taking a prescription antidepressant. Consult your healthcare practitioner before use if you have a medical condition or if you are taking any prescription medications.

🧪 Formulation Notes

Bluebonnet’s L-Tryptophan 500 mg Capsules contain a vegetarian source of the free-form amino acid L-tryptophan called TryptoPure from Ajinomoto, the world-class, quality leader in the production and purity of pharmaceutical-grade amino acids since the 1950’s.

Bluebonnet’s L-Tryptophan 500 mg Capsules contain a vegetarian source of the free-form amino acid L-tryptophan called TryptoPure from Ajinomoto, the world-class, quality leader in the production and purity of pharmaceutical-grade amino acids since the 1950’s.

Bluebonnet’s KOF-K Certification #K-0000700

Made with non GMO ingredients

Vegan

Free of milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat and soybeans. Also free of yeast, gluten, barley, rice, sodium and sugar.

Additional Information

Available in easy-to-swallow vegetable capsules for maximum assimilation and absorption.

0093E

Made with non GMO ingredients

Pharmaceutical grade

Free-form amino acid

Vegan

K Parve

Gluten Free

Product Details

UPC / SKU 7 43715 00094 0
DSLD Entry Date 2018-05-24
Product Type Amino acid/Protein
Form Capsule
Brand Bluebonnet
DSLD ID 176707
Data Updated 2026-04-11

Research Evidence

29 Research Sources
48 Avg Quality Score
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
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2001
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2002
B The impact of tryptophan supplementation on sleep quality: a systematic review, meta-analysis, and meta-regression
Meta Analysis Nutrition reviews 2022
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
C The association between tryptophan levels and postpartum mood disorders: a systematic review and meta-analysis
Meta Analysis BMC psychiatry 2022
C A systematic review of the effect of L-tryptophan supplementation on mood and emotional functioning
Systematic Review Journal of dietary supplements 2021
C Comparison between Acupuncture and Nutraceutical Treatment with Migratens® in Patients with Fibromyalgia Syndrome: A Prospective Randomized Clinical Trial.
Rct Nutrients
C Intake of Lactiplantibacillus plantarum HEAL9 Improves Cognition in Moderately Stressed Subjects: A Randomized Controlled Study.
Rct Nutrients
C Are tryptophan and 5-hydroxytryptophan effective treatments for depression? A meta-analysis
Meta Analysis The Australian and New Zealand journal of psychiatry 2002
View all evidence for Tryptophan →

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