{"product_id":"source-naturals-l-theanine-200mg-60-capsules-uk-b0dtq4vbym","title":"Source Naturals Serene Science L-Theanine, Made with Suntheanine, for Calm Focus and Normal Sleep, 200 mg - 60 Capsules","description":"\u003ch2\u003eKey Benefits of Suntheanine® L-Theanine\u003c\/h2\u003e\u003cp\u003eDiscover Source Naturals Serene — Suntheanine® is the patented form of L-theanine with substantial research backing. This supplement offers several advantages:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePromotes calm without drowsiness:\u003c\/strong\u003e Helps ease tension while maintaining alertness, making it suitable for daytime undertake.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports focused attention:\u003c\/strong\u003e Encourages alpha brain wave activity, which may improve concentration and cognitive performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintains normal sleep:\u003c\/strong\u003e Clinical studies indicate that 200 mg of L-theanine contributes to healthy sleep patterns.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese benefits make it a versatile choice for those seeking mental balance.\u003c\/p\u003e\u003ch2\u003eWho Can Benefit from Taking L-Theanine?\u003c\/h2\u003e\u003cp\u003eL-theanine is suitable for many people looking for natural support for mental balance. It can be particularly useful for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStudents and professionals needing to stay focused during exams or high-pressure tasks.\u003c\/li\u003e\n\u003cli\u003eAnyone dealing with occasional stress from daily life, such as public speaking or deadlines.\u003c\/li\u003e\n\u003cli\u003eIndividuals wanting to deepen their meditation or mindfulness practise.\u003c\/li\u003e\n\u003cli\u003eThose who are sensitive to caffeine but still desire calm energy – L-theanine can be combined with coffee or tea to reduce jitters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAlways consult a health care professional before starting any supplement, especially if pregnant, nursing, or on medication.\u003c\/p\u003e\u003ch2\u003eWhat Is L-Theanine and How Does It Work?\u003c\/h2\u003e\u003cp\u003eL-theanine is a naturally occurring amino acid found primarily in tea leaves (Camellia sinensis). Unlike many calming agents, it promotes a state of relaxed alertness without drowsiness. It works by influencing neurotransmitters in the brain, including GABA, serotonin, and dopamine, which help regulate mood, focus, and stress response. The result is a calm, centred feeling that supports mental clarity and concentration.\u003c\/p\u003e\u003cp\u003eSource Naturals Serene Science L-Theanine undertake Suntheanine®, the form clinically studied for its ability to support relaxation and cognitive function. Each capsule delivers 200 mg of this pure L-theanine, ensuring consistent quality and potency.\u003c\/p\u003e\u003ch2\u003eHow to Choose a Quality L-Theanine Supplement\u003c\/h2\u003e\u003cp\u003eNot all L-theanine supplements are created equal. Consider the following factors when selecting a product:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm of L-Theanine:\u003c\/strong\u003e Look for Suntheanine® – a patented, pure form used in most clinical studies. This ensures consistent quality and research-backed benefits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDosage:\u003c\/strong\u003e A typical effective dose is 100–200 mg. Source Naturals provides 200 mg per capsule, within the research-backed range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThird-Party Testing:\u003c\/strong\u003e Choose brands that follow Good Manufacturing Practice (cGMPs). Source Naturals manufactures in the USA in an FDA-registered facility, complying with strict quality standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e Avoid unnecessary fillers or additives. The Serene Science formula contains only L-theanine, gelatin, and magnesium stearate – no artificial colours or preservatives.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBy prioritising these criteria, you can confidently select a supplement that supports your wellness goals.\u003c\/p\u003e\u003ch2\u003eFAQs About L-Theanine\u003c\/h2\u003e\u003ch3\u003eIs L-theanine safe to take daily?\u003c\/h3\u003e\u003cp\u003eYes, L-theanine is generally recognized as safe (GRAS) and has been studied for daily undertake at doses up to 400 mg. Many people take it regularly for ongoing support.\u003c\/p\u003e\u003ch3\u003eCan I take L-theanine with other supplements?\u003c\/h3\u003e\u003cp\u003eL-theanine is often combined with caffeine for enhanced focus (as found naturally in tea). It may also be stacked with magnesium, B vitamins, or adaptogens. Always consult a health care provider before combining supplements.\u003c\/p\u003e\u003ch3\u003eHow long does it take to feel effects?\u003c\/h3\u003e\u003cp\u003eL-theanine is absorbed quickly, with effects often noticed within 30–60 minutes. For best results, take it on an empty stomach or as directed.\u003c\/p\u003e\u003cp\u003eThese statements have not been evaluated by the European Food Safety Authority. This product is not intended to diagnose, treat, , or prevent any disease.\u003c\/p\u003e","brand":"Source Naturals","offers":[{"title":"Default Title","offer_id":46729648603297,"sku":null,"price":39.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0043\/3313\/files\/61Opf-PPvBL._AC_SL1500.jpg?v=1784617138","url":"https:\/\/ukvitalityvitamins.co.uk\/products\/source-naturals-l-theanine-200mg-60-capsules-uk-b0dtq4vbym","provider":"UkVitalityVitamins","version":"1.0","type":"link"}