🟢 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

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

Supplement Facts — Evidence Check

1000 mg
📊 Market median: 500.0mg (70 products)
Median 500.0mg This product: 1000mg

Other Ingredients

Cellulose Cellulose Stearic Acid

Label Claims — Verification

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

Target Groups

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

Product Information

📋 Directions for Use

Suggested usage: As a dietary supplement, take 1-2 Vcaps 2 to 3 times daily on an empty stomach or as directed by a healthcare professional. Best used at bedtime. Consider taking this product in combination with CAOH Natural Calm or Calming Plus.

⚠️ Warnings & Precautions

Warning: Keep out of reach of children.

Pregnant/lactating women, those taking anti-depressant medications (such as SSRI's or MAOI's), and those with liver disorders, consult a healthcare professional before using this product.

May cause drowsiness. Caution: Do not eat freshness packet. Keep packet in bottle.

🧪 Formulation Notes

L-Tryptophan: an essential amino acid important in human nutrition for the synthesis of melatonin, serotonin, and hormones regulating sleep.

CAOH L- Tryptophan is pharmaceutically certified pure (USP) - every lot is tested to be free of Peak E and microbial contamination.

Certified vegetarian

No preservatives

Contains no: Sugar, salt, yeast, wheat, gluten, soy, milk, eggs, shellfish, or preservatives.

Vegetarian/Vegan product.

Additional Information

It also supports positive mood and immune function. As an essential amino acid, it is not synthesized by the body and must be obtained from the diet.

Supports relaxation & sleep Encourages positive mood

Product Details

UPC / SKU 8 96291 00241 6
DSLD Entry Date 2019-09-24
Product Type Amino acid/Protein
Form Capsule
DSLD ID 206315
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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