{"product_id":"l-theanine-sr-200mg-by-endurpro","title":"L-Theanine SR 200mg by EndurPro","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePromotes Calm, Relaxation.\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eRandomized, double-blind, placebo-controlled trials indicate L-Theanine helps reduce stress and promotes a positive mood. Effective amounts include both a single dose (200 mg) and 200-400 mg\/day for up to 4 weeks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports Cognitive Function.\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRandomized, placebo-controlled clinical trials indicate a single dose of L-theanine (100-200 mg) supports optimal cognitive function in healthy adults, including promoting optimal reaction times in attention tasks in healthy young adults; visual attention and reaction time in healthy adults under stress; and attention, working memory, and executive function in middle-aged and older adults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePromotes Sleep Quality.\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA meta-analysis of 18 clinical trials found L-theanine promotes overall sleep quality, including the ability to fall asleep quickly and reduced daytime sleepiness. Most studies used 100-400mg\/day, most often 200 mg\/day. L-Theanine was typically taken 30-60minutes before bedtime, either as a single dose or daily for several weeks.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EndurPro","offers":[{"title":"Default Title","offer_id":42610336596066,"sku":"182277","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/9327\/1394\/files\/ScreenShot2026-03-06at11.09.47AM.png?v=1772813398","url":"https:\/\/digestivewarrior.com\/products\/l-theanine-sr-200mg-by-endurpro","provider":"Digestive Warrior","version":"1.0","type":"link"}