{"title":"L-Tryptophan","description":null,"products":[{"product_id":"doctors-best-best-l-tryptophan-500-mg-90-veg-caps","title":"L-Tryptophan","description":"\u003cp\u003eL-Tryptophan with TryptoPure® by Doctor's Best® can help improve sleep and enhance mood. L-tryptophan is altered by enzymes to first form the intermediate amino acid 5-HTP and then serotonin. It is also the metabolic precursor to melatonin and to the B vitamin niacin.\u003c\/p\u003e","brand":"Doctor's Best","offers":[{"title":"Default Title","offer_id":46318753415306,"sku":"DB085","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8139\/0474\/files\/6875a46d-504f-4e72-9b07-b9245e38f71c_large_5be2db2e-d761-4b90-83e7-1af4057dc5fb.jpg?v=1767381126"},{"product_id":"now-foods-l-tryptophan-1000-mg-1000-mg-60-tabs","title":"Double Strength L-Tryptophan","description":"\u003cp\u003eL-Tryptophan helps support relaxation, sleep, positive mood and immune function. L-Tryptophan is important in human nutrition for the synthesis of melatonin and serotonin. As an essential amino acid, it is not synthesized by the body and must be obtained from the diet. NOW Double Strength L-Tryptophan is tested to be free of Peak E and microbial contamination.\u003c\/p\u003e","brand":"NOW Foods","offers":[{"title":"Default Title","offer_id":46318955692170,"sku":"NWF253","price":23.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8139\/0474\/files\/c3d772eb-dbd5-4530-8871-42808612272a_large_e5d35457-b8f8-4c93-b52b-fb6e5ec1ed71.jpg?v=1767383467"},{"product_id":"now-foods-l-tryptophan-500-mg-500-mg-60-vcaps","title":"L-Tryptophan","description":"\u003cp\u003eL-Tryptophan is an essential amino acid important in human nutrition for the synthesis of melatonin and serotonin, hormones regulating sleep, positive mood and immune function. As an essential amino acid, it is not synthesized by the body and must be obtained from the diet. NOW L-Tryptophan is tested to be free of Peak E and microbial contamination. \u003c\/p\u003e","brand":"NOW Foods","offers":[{"title":"60 Veggie Capsules","offer_id":46318956150922,"sku":"NWF135","price":15.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8139\/0474\/files\/efa62e39-5300-43f2-94bc-872bcca4245e_large_d3173ec2-fda0-4b0a-bd21-92b2b90ff796.jpg?v=1767383036"},{"product_id":"now-foods-l-tryptophan-500-mg-120-vcaps","title":"L-Tryptophan","description":"\u003cp\u003eNOW® L-Tryptophan is pharmaceutically pure--every lot is tested to be free of Peak E and microbial contamination. L-Tryptophan is an essential amino acid important in human nutrition for the synthesis of melatonin and serotonin, hormones regulating mood and stress response. L-Tryptophan helps support relaxation, sleep, positive mood and immune function. As an essential amino acid, it is not synthesized by the body and must be obtained from the diet. Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients.\u003c\/p\u003e","brand":"NOW Foods","offers":[{"title":"120 Veggie Capsules","offer_id":46318957101194,"sku":"NWF900","price":25.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8139\/0474\/files\/a961ecc4-e7e1-4b49-9434-e736ada482d4_large_5ca08f46-8da4-41cb-b594-277e29014685.jpg?v=1767381968"},{"product_id":"source-naturals-l-tryptophan-500-mg-120-caps","title":"L-Tryptophan","description":"\u003cp\u003eSource Naturals L-Tryptophan promotes positive mood, relaxation and sleep. This essential amino acid plays a part in the synthesis of melatonin and serotonin, the hormones involved with mood, stress response and sleep\/wake cycles. L-Tryptophan also supports the body's immune system. Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no preservatives, artificial color, flavor or fragrance.\u003c\/p\u003e","brand":"Source Naturals","offers":[{"title":"Default Title","offer_id":46319042822282,"sku":"SN389","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8139\/0474\/files\/3633db94-7d27-4fec-adf3-b3147db67b4f_large_1f55d288-fb9b-43bf-a1fc-61446b53b55e.jpg?v=1767382281"},{"product_id":"swanson-premium-l-tryptophan-500-mg-60-caps","title":"L-Tryptophan","description":"\u003cp\u003eLooking for effective sleep support? Swanson L-Tryptophan offers 500 mg of L-tryptophan per capsule to help support healthy serotonin levels and provide restful sleep. L-tryptophan, an essential amino acid, has to be obtained in the diet or in supplement form. Extensive lot tests indicate no Peak-E in this product.\u003c\/p\u003e","brand":"Swanson Vitamins","offers":[{"title":"Default Title","offer_id":46319081947274,"sku":"SW1502","price":13.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8139\/0474\/files\/93eed223-7457-4407-ab90-20c38ead3cbe_large_4cf919de-816b-4870-934e-32b9e98b7143.jpg?v=1774362439"},{"product_id":"swanson-ultra-l-tryptophan-tryptopure-pure-pharmaceutical-grade-500-mg-90-veg-caps","title":"L-Tryptophan from TryptoPure","description":"\u003cp\u003eIt's back, and better than ever! L-Tryptophan is a precursor to serotonin, and it's powerfully effective when used properly. By supporting serotonin levels, L-tryptophan not only helps us fall asleep and stay asleep, but it also promotes mental health and provides dietary support against nervousness and tension. TryptoPure L-Tryptophan from Swanson Ultra is the purest pharmaceutical-grade tryptophan on the world market. It's produced through a fermentation process from a vegetarian source, using the most precise standards for safety and quality assurance. Want to hear more? Check out our customer-created L-Tryptophan reviews below!\u003c\/p\u003e","brand":"Swanson Vitamins","offers":[{"title":"Default Title","offer_id":46319107080330,"sku":"SWU372","price":29.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8139\/0474\/files\/94c42de0-538c-48dc-8c47-e2300b1ce467_large_ae44e9a2-4799-464a-961b-310fa3f3d299.jpg?v=1769003256"}],"url":"https:\/\/www.swansonvitamins.mom\/collections\/l-tryptophan-393.oembed","provider":"Swanson Vitamins","version":"1.0","type":"link"}