L-Tryptophan 1,000 mg
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 50% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · methodologyL-Tryptophan serves as a precursor to serotonin and melatonin, while Vitamin B6 acts as a cofactor in their synthesis. There is moderate evidence supporting their role in mood regulation and sleep quality. However, overall evidence coverage for this specific formulation remains very limited.
AI-generated summary based on research evidence. Not medical advice.
Product Label
Label Data
Supplement Facts — Evidence Check
Other Ingredients
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Product Information
Directions for Use
Suggested Use: 1 tablet 1 to 2 times daily, between meals and preferably with fruit juice. To support restful sleep, take 2 tablets before bed.
Warnings & Precautions
Caution: If you are pregnant, may become pregnant, breastfeeding, or are taking medications such as SSRIs or MAOIs consult your health care professional before using this product.
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
This product may cause drowsiness.
Formulation Notes
L-Tryptophan with Vitamin B-6
Mood, relaxation, sleep
The essential amino acid L-tryptophan is the precursor for the synthesis of melatonin and serotonin, a hormone and a neurotransmitter involved with mood and stress response. It helps support relaxation, restful sleep, and a positive outlook. This tryptophan tablet includes vitamin B-6, which is required to convert tryptophan to serotonin. If needed, L-tryptophan is converted to niacin in the body, an important B vitamin. Source Naturals L-Tryptophan is extremely pure and is regularly tested to ensure the highest standards of quality.
Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no preservatives, or artificial color, flavor or fragrance.
Additional Information
Store in a cool, dry place.
Product Details
Research Evidence
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.