🟢 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

1 Capsule(s) Serving Size
60 Servings
Amino acid/Protein Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

50 mg
📊 Market median: 100.0mg (116 products) 📚 15 studies (Tier A: 0, B: 3)
This product: 50mg

Other Ingredients

White Rice Flour Gelatin

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 Sugar Free

Product Information

📋 Directions for Use

Recommendation: As a dietary supplement, take one to four capsules daily in divided doses.

⚠️ Warnings & Precautions

Do not use if safety seal is broken or missing.

Keep out of reach of children.

Warning: If you are currently taking anti-depressants or MAO inhibiting medications, please consult a physician prior to use.

May cause drowsiness. Do not drive or operate machinery while taking this product.

If pregnant, nursing, taking medications, experiencing health issues, consult your doctor before use.

🧪 Formulation Notes

This Product Does Not Contain: Yeast, corn, wheat, egg, sugar, salt, gluten, soy shellfish, or preservatives.

5-HTP

Additional Information

Store in a cool, dry place.

Supplement Facts (continued)

Griffonia simplicifolia is an African plant which is extracted to produce 5-HTP, the intermediate between amino acid and L-tryptophan and serotonin.

Product 50-1 v5.0

Product Details

UPC / SKU 50-1
DSLD Entry Date 2018-01-25
Product Type Amino acid/Protein
Form Capsule
Brand New Sun
DSLD ID 82469
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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