{"product_id":"l-tryptophan-powder-57-grams","title":"L-Tryptophan, Powder - 57 grams","description":"Tryptophan is an essential amino acid; therefore, it is not synthesized by the body and must be obtained from the diet. 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.","brand":"NOW Foods","offers":[{"title":"Default Title","offer_id":45342747721880,"sku":"P27370","price":14.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0501\/9792\/1944\/files\/image_2016-08-12_57ada5b2622e7_7b80e6b9-4c74-41f1-b4a6-035c423537e8.jpg?v=1724998225","url":"https:\/\/marvelsupps.myshopify.com\/products\/l-tryptophan-powder-57-grams","provider":"Marvelsupps","version":"1.0","type":"link"}