L-Tryptophan Complete

product on market Capsule Lidtke TryptoGOLD 🟢 Safety: 96/100
Brand: Lidtke TryptoGOLD
🟢 96/100

This product looks safe

  • Vitamin B3: 60mg is 1.7× the Tolerable Upper Intake Level (35mg)
  • 80% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Vitamin B3: 60mg is 1.7× the Tolerable Upper Intake Level (35mg)

Label Data

1 Capsule(s) Serving Size
60 Servings
Other Combinations Product Type
80% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
90 mg (150% DV)
15 mg (885% DV)
📊 11.5× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 15mg
60 mg (300% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.7× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 60mg UL 35mg
10 mg (500% DV)
📊 7.7× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 10mg UL 100mg
15 mg (4% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 15mg
800 mcg (200% DV)
✅ 2.0× RDA — within safe limits 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.8mg UL 1.0mg
TryptoGold
1050 mg
300 mg
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 300mg
150 mg
📊 Market median: 450.0mg (254 products) 📚 240 studies (Tier A: 0, B: 100)
This product: 150mg
125 mg
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 125mg

Other Ingredients

vegan Capsule

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions (Adults): Take one (1) to three (3) capsules or as directed by your doctor. Best if taken at bedtime or between meals. For children, consult your doctor.

⚠️ Warnings & Precautions

For children, consult your doctor.

Caution: Keep out of reach of children.

If you are pregnant, lactating, taking any medications (especially MAOIs, Tricyclics, or SSRIs), or have a medical condition, consult your doctor.

Discontinue use if adverse reaction occurs. Do not use if seal is damaged or missing.

Toll Free: 1-800-404-8185 Adverse events may be reported above.

🧪 Formulation Notes

No added gluten, yeast, wheat, rice, corn, soy, dairy, eggs, peanuts, fish, shellfish, sugar, artificial color or artificial flavor. Non-GMO

Advanced serotonin formula Supports healthy sleep & mood

V (Vegetarian)

Additional Information

Thank you for choosing L-Tryptophan Complete by Lidtke. We sincerely wish the best of health for you and your family.

Lidtke stands behind each product and guarantees customer satisfaction for 365 days from the date of purchase.

Keep lid tightly closed. Keep in a cool, dry place.

Purest on the planet

As certified by the manufacturer.

Product Details

UPC / SKU 6 30610 00393 3
DSLD Entry Date 2022-02-23
Product Type Other Combinations
Form Capsule
Brand Lidtke TryptoGOLD
DSLD ID 261021
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
PubMed DOI
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2001
PubMed Cochrane
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2002
PubMed Cochrane
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
View all evidence for Tryptophan →

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