Effects of L-theanine-caffeine combination on selective attention among adolescents with attention-deficit hyperactivity disorder: a double-blind, placebo-controlled, crossover study.

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Title:	Effects of L-theanine-caffeine combination on selective attention among adolescents with attention-deficit hyperactivity disorder: a double-blind, placebo-controlled, crossover study.
Authors:	Nawarathna GS; Department of Physiology, Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka.; Department of Basic Sciences, Faculty of Dental Sciences, University of Peradeniya, Peradeniya, Sri Lanka., Ariyasinghe DI; Department of Psychiatry, Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka.; Teaching Hospital Peradeniya, Peradeniya, Sri Lanka., Balasooriya N; Department of Psychiatry, Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka.; Teaching Hospital Peradeniya, Peradeniya, Sri Lanka., Fernando A; Sirimavo Bandaranaike Specialized Children's Hospital, Peradeniya, Sri Lanka., Dassanayake TL; Department of Physiology, Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka.; Teaching Hospital Peradeniya, Peradeniya, Sri Lanka.; School of Psychological Sciences, The University of Newcastle, New South Wales, Australia.
Source:	Nutritional neuroscience [Nutr Neurosci] 2026 May 07, pp. 1-14. Date of Electronic Publication: 2026 May 07.
Publication Type:	Journal Article
Journal Info:	Publisher: Taylor & Francis Country of Publication: England NLM ID: 100892202 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1476-8305 (Electronic) Linking ISSN: 1028415X NLM ISO Abbreviation: Nutr Neurosci Subsets: MEDLINE
Database:	MEDLINE Ultimate

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ISSN:	1476-8305
DOI:	10.1080/1028415X.2026.2659148