L-Tryptophan 500 mg by BIOVEA — Ingredients, Evidence & Safety

Product Label

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Label Data

3 Vegetarian Capsule(s) Serving Size

20 Servings

Amino acid/Protein Product Type

0% Evidence Coverage

Supplement Facts — Evidence Check

L-Tryptophan

1.5 Gram(s)

📊 Market median: 500.0mg (70 products)

Median 500.0mg This product: 1.5mg

Other Ingredients

Hydroxypropyl Methylcellulose Vegetable Magnesium Stearate Silicon Dioxide

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) Gluten Free

Product Information

📋 Directions for Use

Suggested Daily Intake: Take 3 capsules daily, between meals and preferably with fruit juice. To support restful sleep, take 3 capsules before bed.

⚠️ Warnings & Precautions

Warning: If you are pregnant, may become pregnant, breastfeeding, or are taking medications such as SSRIs or MAOIs consult your healthcare professional before using this product.

Keep out of reach of children.

Do not use this product if the safety seal on the bottle is broken.

🧪 Formulation Notes

VG Vegan

Gluten free Non-GMO

L-Tryptophan 500mg per capsule

Additional Information

GMP Compliant VG Vegan Gluten free Non-GMO

Premium quality guaranteed since 2001. BIOVEA is committed to product quality to support you and your family's wellness goals. Because we feel so strongly about the quality, potency and purity of our products, we 100% guarantee your satisfaction with every purchase.

Store in a cool, dry place.

Guaranteed premium quality

Amino acid

Product Details

UPC / SKU 8 18423 02288 8

DSLD Entry Date 2019-09-24

Product Type Amino acid/Protein

Form Capsule

Brand BIOVEA

DSLD ID 207444

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 →