L-Tryptophan 500 mg
This product looks safe
- No ingredients exceed tolerable upper intake levels
- Limited research evidence available for ingredients
Product Label
Label Data
Supplement Facts — Evidence Check
Other Ingredients
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Product Information
Directions for Use
Suggested Use: 1 capsule three times daily, between meals and preferably with fruit juice. To support restful sleep, take an additional 3 capsules before bed.
Warnings & Precautions
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
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.
Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately.
Formulation Notes
Mood, relaxation, sleep
The essential amino acid L-tryptophan helps support relaxation, restful sleep, and positive mood. It plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response and sleep/wake cycles. L-Tryptophan also supports immune functions because it is the body's precursor to the kynurenines that regulate immunity. If needed, L-Tryptophan converts to niacin in the body, which supports circulation, a healthy nervous system, the metabolism of food, and the production of hydrochloric acid for the digestive system. Source Naturals L-Tryptophan is extremely pure and is regularly tested to ensure the highest standards of quality.
Contains no yeast, dairy, egg, gluten, corn, 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.