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Free standard shipping on orders
We are pleased to offer Free Worldwide Shipping on all orders, delivering to all countries and regions supported by our logistics network.
There are no restrictions on order quantity, parcel size, or shipment weight — every order ships at no cost to you. In addition, all customs duties, import taxes, and government-imposed fees associated with your shipment will be fully covered by us, ensuring you will not incur any extra charges upon delivery.
Please note that delivery times may vary due to local customs procedures and carrier conditions, but your shipping and customs costs will remain completely free under this policy.
We provide a secure and reliable Free Returns service for all customers. Items that remain unused and unopened may be returned within 60 days for a full refund.
All return shipping expenses, including customs-related fees, are fully covered by us.
Refund processing will be completed within 4 weeks from the date the return shipment is sent, regardless of whether the package has arrived at our facility. In general, refunds are finalized significantly earlier, ensuring a smooth and dependable experience.
L-Tryptophan is an essential amino acid; therefore, it is not synthesized by the body and must be obtained from the diet.* L-Tryptophan is critical for the production of serotonin and melatonin, which help to support a positive mood, healthy sleep patterns, and proper immune system function.* Every lot of NOW® L-Tryptophan is tested to be free of Peak E and microbial contamination.
Natural color variation may occur in this product.
| Size | Servings | SKU | UPC |
|---|---|---|---|
| 60 Veg Capsules | 30 | 0166 | 733739001665 |
| 90 Veg Capsules | 45 | 70166 | 733739701664 |
| 120 Veg Capsules | 60 | 0167 | 733739001672 |
Take 1-2 capsules 2 to 3 times daily on an empty stomach, with final dose at bedtime, or as directed by your physician.
Store in a cool, dry place after opening.
For adults only. Consult physician if pregnant/nursing, taking medication (especially antidepressants such as SSRIs and MAOIs), or have a medical condition. May cause drowsiness. Do not use with alcoholic beverages or while operating heavy machinery. Keep out of reach of children.
| Serving Size: | 2 Veg Capsules |
|---|---|
| Servings Per Container: | 30 |
| Description | Amount per Serving | % Daily Value |
|---|---|---|
L-Tryptophan (Free-Form) | 1 g (1,000 mg) | ** Daily Value not established. |
| ** Daily Value not established. | ||
Other Ingredients: Hypromellose (cellulose capsule), Rice Flour, Ascorbyl Palmitate and Stearic Acid (vegetable source).
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Caution: For adults only. Consult physician if pregnant/nursing, taking medication (especially antidepressants such as SSRIs and MAOIs), or have in a medical condition. May cause drowsiness. Do not use with alcoholic beverages or while operating heavy machinery. Keep out of reach of children.
Natural color variation may occur in this product.
Made and quality tested in the USA with globally sourced ingredients.
Store in a cool, dry place after opening.
Vegetarian/Vegan
Family owned since 1968.
SKU 0167: This bottle is made from 100% PCR (post-consumer recycled) resin.
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