🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

2 Capsule(s) Serving Size
30 Servings
Non-Nutrient/Non-Botanical Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

📊 Market median: 100.0mg (116 products) 📚 15 studies (Tier A: 0, B: 3)
This product: 200mg

Other Ingredients

Dicalcium Phosphate Gelatin Contains Less Than 2% of

Label Claims — Verification

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

Target Groups

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

Product Information

📋 Directions for Use

DIRECTIONS: For adults, take two (2) capsules once daily as needed or at bedtime as 5-HTP may produce drowsiness.

⚠️ Warnings & Precautions

WARNING: Not intended for use by pregnant or nursing women. If you are taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur. Do not drive, operate machinery or consume alcohol when taking this product.

Do not use if seal under cap is broken or missing.

🧪 Formulation Notes

No Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Starch, No Milk, No Lactose, No Soy, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.

Peak X Free

Additional Information

PROD. #5315 B52385 12F

From the moment raw ingredients reach our facilities to the time a finished supplement is packaged, stringent analysis confirms the potency, purity and nutritional content of every nutritional product that bears the Vitamin World name. We guarantee it!

QA QUALITY ASSURED

Promotes a calm and relaxed mood* A precursor to serotonin

5-HTP is a precursor to serotonin, a neurotransmitter involved in sending messages through the nervous system.*

Not intended for use by persons under the age of 18. Keep out of reach of children.

Store at room temperature.

Get healthy.

Product Details

UPC / SKU 0 74312 75315 2
DSLD Entry Date 2013-05-24
Product Type Non-Nutrient/Non-Botanical
Form Capsule
DSLD ID 21175
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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