Home/ Supplements/ Tryptophan/ L-Tryptophan 500 mg

L-Tryptophan 500 mg

product on market Capsule BIOVEA Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade
Label

Product Label

Label for L-Tryptophan 500 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Vegetarian Capsule(s)
Serving Size
20
Servings
Amino acid/Protein
Product Type
0%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

1.5 Gram(s)
Market median: 500.0mg (70 products)

Other Ingredients

Hydroxypropyl Methylcellulose Vegetable Magnesium Stearate Silicon Dioxide
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Info

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

Metadata

Product Details

UPC / SKU8 18423 02288 8
DSLD Entry Date2019-09-24
Product TypeAmino acid/Protein
FormCapsule
BrandBIOVEA
DSLD ID207444
Data Updated2026-04-11
Research

Research Evidence

29
Research Sources
48
Avg Quality
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
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2002 PubMed
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 →
Compare

Similar Products

View all Tryptophan products →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.