--- product_id: 28325411 title: "- Douglas Laboratories Melatonin Prolonged Release - 3 mg Melatonin - Sleep Support Supplement - for Hormone Balance, Relaxation, Antioxidants & Immune System* - 180 Tablets" brand: "douglas laboratories" price: "371 zł" currency: PLN in_stock: true reviews_count: 10 category: "Douglas Laboratories" url: https://www.desertcart.pl/products/28325411-douglas-laboratories-melatonin-prolonged-release-3-mg-melatonin-sleep-support store_origin: PL region: Poland --- # 3 mg prolonged-release melatonin Supports full night restful sleep Antioxidant immune & hormone support - Douglas Laboratories Melatonin Prolonged Release - 3 mg Melatonin - Sleep Support Supplement - for Hormone Balance, Relaxation, Antioxidants & Immune System* - 180 Tablets **Brand:** douglas laboratories **Price:** 371 zł **Availability:** ✅ In Stock ## Summary > 🌙 Unlock your best night’s sleep and wake up unstoppable! ## Quick Answers - **What is this?** - Douglas Laboratories Melatonin Prolonged Release - 3 mg Melatonin - Sleep Support Supplement - for Hormone Balance, Relaxation, Antioxidants & Immune System* - 180 Tablets by douglas laboratories - **How much does it cost?** 371 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/28325411-douglas-laboratories-melatonin-prolonged-release-3-mg-melatonin-sleep-support) ## Best For - douglas laboratories enthusiasts ## Why This Product - Trusted douglas laboratories brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Sustained Sleep Support:** 3 mg melatonin released gradually for all-night relaxation and deeper rest - • **Trusted Quality & Purity:** GMP-certified, NSF-registered, GMO-free formula from a 60+ year leader in science-backed supplements - • **Hormone & Cortisol Balance:** Formulated to help regulate stress hormones and promote healthy neurotransmitter function - • **Immune-Boosting Antioxidants:** Melatonin’s antioxidant power supports your immune defenses while you sleep - • **Easy-to-Swallow, Small Tablets:** Slick-coated, compact tablets designed for effortless nighttime dosing ## Overview Douglas Laboratories Melatonin Prolonged Release delivers 3 mg of pharmaceutical-grade melatonin in a slow-release tablet designed to support natural sleep/wake cycles, hormone balance, and immune health. With antioxidant benefits and cortisol management, this GMP-certified, GMO-free supplement helps professionals achieve restorative sleep and maintain optimal wellness throughout the night. ## Description Douglas Laboratories Melatonin Prolonged Release provides support for restful sleep.* Each tablet contains 3 mg of the purest pharmaceutical-grade melatonin, which is meticulously crafted to release slowly, providing prolonged benefits throughout the night.*The importance of a restful night's sleep cannot be overstated, and Melatonin Prolonged Release. is your ally in achieving it.* Melatonin, a hormone naturally produced in the body, is essential for regulating our sleep/wake cycles. As we age or encounter stress, our natural production can wane, leading to sleep disturbances. By supplementing with Douglas Laboratories’ prolonged-release tablets, you provide your body with the melatonin it needs to encourage a relaxing night's sleep, helping you fall asleep and stay asleep, thus improving overall sleep quality.*Beyond sleep, melatonin serves as a powerful antioxidant, aiding your immune system.* The dual-action nature of this product offers not only restful relaxation but also hormone balance and immune support.* Our commitment to quality is unwavering; we employ state-of-the-art manufacturing practices that exceed GMP standards, ensuring that each tablet is GMO-free and of the highest purity.For over 60 years, Douglas Laboratories has been dedicated to meeting the needs of healthcare professionals and is recognized as a leader in the development of high quality, science-based, innovative nutritional supplements across 12 health functions that support healthy lifestyles.Douglas Laboratories is a GMP-compliant manufacturing facility that is third-party, NSF International registered and inspected for good manufacturing practices. An approved producer of NSF certified-for-sport products with an ISO-accredited internal quality laboratory, we guarantee that our supplements are free of banned substances. ## Features - Prolonged-Release Melatonin Supplement: 3 mg of melatonin provides sustained delivery for relaxation and restful sleep* - Sleep/Wake Support: Sleep supplement helps regulate normal rhythms as it slowly breaks down and releases in the small intestine* - Antioxidant Benefits: This sleep supplement helps protect the immune system thanks to melatonin's antioxidant properties* - Cortisol Management: Formulated for relaxation, healthy hormone balance, and management of cortisol and neurotransmitters for optimal health* - Healthier Living for Your Patients: Douglas Laboratories provides high quality, science-based nutritional supplements to support your patients' healthy lifestyles ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003PQUE70 | | Age Range Description | Adult | | Best Sellers Rank | #61,735 in Health & Household ( See Top 100 in Health & Household ) #604 in Herbal & Nutritional Sleep Supplements | | Brand | Douglas Laboratories | | Brand Name | Douglas Laboratories | | Container Type | Bottle | | Customer Reviews | 4.5 out of 5 stars 458 Reviews | | Dosage Form | Tablet | | Item Dimensions | 3.8 x 2.3 x 2.1 inches | | Item Form | Tablet | | Item Weight | 2.86 ounces | | Item dimensions L x W x H | 3.8 x 2.3 x 2.1 inches | | Manufacturer | Atrium - Douglas Laboratories | | Manufacturer Part Number | 83199-180X | | Material Features | GMO Free | | Number of Items | 1 | | Product Benefits | Sleep Support | | Unit Count | 180 Count | ## Product Details - **Age Range (Description):** Adult - **Brand:** Douglas Laboratories - **Dosage Form:** Tablet - **Item Form:** Tablet - **Item Weight:** 2.86 ounces - **Item dimensions L x W x H:** 3.8 x 2.3 x 2.1 inches - **Number of Items:** 1 - **Package Information:** Bottle - **Product Benefits:** Sleep Support - **Unit Count:** 180 Count ## Images ![- Douglas Laboratories Melatonin Prolonged Release - 3 mg Melatonin - Sleep Support Supplement - for Hormone Balance, Relaxation, Antioxidants & Immune System* - 180 Tablets - Image 1](https://m.media-amazon.com/images/I/61NiA7k8Q3L.jpg) ![- Douglas Laboratories Melatonin Prolonged Release - 3 mg Melatonin - Sleep Support Supplement - for Hormone Balance, Relaxation, Antioxidants & Immune System* - 180 Tablets - Image 2](https://m.media-amazon.com/images/I/71A0iW-Z3KL.jpg) ![- Douglas Laboratories Melatonin Prolonged Release - 3 mg Melatonin - Sleep Support Supplement - for Hormone Balance, Relaxation, Antioxidants & Immune System* - 180 Tablets - Image 3](https://m.media-amazon.com/images/I/71JdQP-OCWL.jpg) ![- Douglas Laboratories Melatonin Prolonged Release - 3 mg Melatonin - Sleep Support Supplement - for Hormone Balance, Relaxation, Antioxidants & Immune System* - 180 Tablets - Image 4](https://m.media-amazon.com/images/I/81giwCA469L.jpg) ![- Douglas Laboratories Melatonin Prolonged Release - 3 mg Melatonin - Sleep Support Supplement - for Hormone Balance, Relaxation, Antioxidants & Immune System* - 180 Tablets - Image 5](https://m.media-amazon.com/images/I/71OIMD-QtsL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Why does it contain dicalcium phosphate?** A: Douglas Laboratories tells us that the dicalcium phosphate is used in the tableting process to help compress the ingredients and add structural support to the product. **Q: Anyone know if these are vegan? Their website doesn’t say.** A: This is a pharmaceutical made melatonin. **Q: What is the difference between the prolonged-release formulation and the controlled-release one?** A: Douglas Laboratories Melatonin Prolonged Release contains 3 mg while Melatonin Controlled Release contains 2 mg of high purity melatonin. They both use a prolonged-release tablet, formulated to slowly breakdown and release in the small intestine. **Q: Are companies in China providers of the raw ingredients which are then finished and manufactured in PA?** A: Douglas Laboratories sources ingredients from all over the world, including China. Douglas Laboratories products are then manufactured in the USA. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by P***R on March 11, 2026* ### ⭐⭐⭐⭐⭐ Review *by N***E on June 10, 2025* ### ⭐⭐⭐⭐⭐ Review *by A***R on December 14, 2019* ## Frequently Bought Together - Douglas Laboratories Melatonin Prolonged Release - 3 mg Melatonin - Sleep Support Supplement - For Hormone Balance, Relaxation, Antioxidants & Immune System* - 180 Tablets - Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism* - with Magnesium Glycinate - 90 Capsules - Douglas Laboratories Melatonin 1 mg. | Supports Sleep/Wake Cycles | 60 Tablets --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/28325411-douglas-laboratories-melatonin-prolonged-release-3-mg-melatonin-sleep-support](https://www.desertcart.pl/products/28325411-douglas-laboratories-melatonin-prolonged-release-3-mg-melatonin-sleep-support) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-11*