Focus & Concentration
About Focus & Concentration — Cognitive.
Difficulty concentrating, brain fog, and attention issues. Increasingly common in the age of distraction.
Tried something for Focus & Concentration? Share how it went — only ever published as part of a group of 10+.
No community reports published yet.
We publish focus & concentration results only once at least 10 people report on the same compound, so no individual report is ever shown.
Used something for focus & concentration? Share how it went — only ever published in a group of 10 or more.
Add your outcomePeer-reviewed research.
Strongest evidence first.
01Neurochemical and genetic factors in panic disorder: a systematic reviewMoraes ACN, et al. · Translational psychiatry · 2024Systematic Review · matched via Focus · PubMed record (CORPUS-A)
PMID 39025836 ↗02Is Citicoline Effective in Preventing and Slowing Down Dementia?-A Systematic Review and a Meta-AnalysisBonvicini M, et al. · Nutrients · 2023Systematic Review · matched via Focus · PubMed record (CORPUS-A)
PMID 36678257 ↗03The potential role of nutritional components in improving brain function among patients with Alzheimers disease: a meta-analysis of RCT studiesAlbrahim T · Neurosciences (Riyadh, Saudi Arabia) · 2020Meta-Analysis · matched via Focus · PubMed record (CORPUS-A)
PMID 31982903 ↗04Application of Citicoline in Neurological Disorders: A Systematic ReviewJasielski P, et al. · Nutrients · 2020Systematic Review · matched via Focus · PubMed record (CORPUS-A)
PMID 33053828 ↗05Genetic factors affecting statin concentrations and subsequent myopathy: a HuGENet systematic reviewCanestaro WJ, et al. · Genetics in medicine : official journal of the American College of Medical Genetics · 2014Systematic Review · matched via Focus · PubMed record (CORPUS-A)
PMID 24810685 ↗06Nonclinical and Clinical Assessments of an Optimized Tablet Formulation of the Novel HER2-Selective Tyrosine Kinase Inhibitor Zongertinib: Focus on Relative Bioavailability and Impact of Variation of Gastric pHWölke S, et al. · Molecular pharmaceutics · 2025Randomized Controlled Trial · matched via Focus · PubMed record (CORPUS-A)
PMID 41060706 ↗07Use of Citicoline in Attention-Deficit/Hyperactivity Disorder: A Pilot StudyHübner IB, et al. · Clinical neuropharmacology · 2024Randomized Controlled Trial · matched via Focus · PubMed record (CORPUS-A)
PMID 38976279 ↗08Effects of Combined Lipid-Lowering Therapy on Low-Density Lipoprotein Cholesterol Variability and Cardiovascular Adverse Events in Patients with Acute Coronary SyndromeTan H, et al. · Advances in therapy · 2021Randomized Controlled Trial · matched via Focus · PubMed record (CORPUS-A)
PMID 34018147 ↗09The Effect of Citicoline Supplementation on Motor Speed and Attention in Adolescent MalesMcGlade E, et al. · Journal of attention disorders · 2019Randomized Controlled Trial · matched via Focus · PubMed record (CORPUS-A)
PMID 26179181 ↗10Effects of a pre-workout supplement on lean mass, muscular performance, subjective workout experience and biomarkers of safetyKedia AW, et al. · International journal of medical sciences · 2014Randomized Controlled Trial · matched via Focus · PubMed record (CORPUS-A)
PMID 24465156 ↗11Nutritional evaluation of protein hydrolysate formulas in healthy term infants: plasma amino acids, hematology, and trace elementsHernell O, et al. · The American journal of clinical nutrition · 2003Randomized Controlled Trial · matched via Focus · PubMed record (CORPUS-A)
PMID 12885712 ↗12Compositional Diversity and Functional Interactions of Bioactive Compounds in Japanese Green Tea: Focus on Matcha, Sencha, and GyokuroUnno K, et al. · Molecules (Basel, Switzerland) · 2026Journal Article · matched via Focus · PubMed record (CORPUS-A)
PMID 42654013 ↗13Neurobehavioural Exploration of Breath-counting & Breath-awareness in Novice Indian Meditators: A Naturalised Ānāpānasati-based Paradigmatic ApproachBrahmi M, et al. · Annals of neurosciences · 2025Journal Article · matched via Focus · PubMed record (CORPUS-A)
PMID 39850443 ↗14Mentha pulegium L. and Salvia officinalis L. Bioactive Compounds: Focus on Their Application in Agriculture and Food PackagingKhodja NK, et al. · Chemistry & biodiversity · 2025Journal Article · matched via Focus · PubMed record (CORPUS-A)
PMID 39903845 ↗15Identification of the GATA transcription factor family in tea plant (Camellia sinensis) and the characterizations in nitrogen metabolismGao Y, et al. · Plant physiology and biochemistry : PPB · 2025Journal Article · matched via Focus · PubMed record (CORPUS-A)
PMID 39987619 ↗16L-Theanine and caffeine improve attention and focus: A systematic reviewCamfield D et al. · Nutr Rev · 2024L-theanine combined with caffeine consistently improved attention and task performance.
PMID 25182352 ↗17Single-cell multiregion dissection of Alzheimer's diseaseMathys H, et al. · Nature · 2024Journal Article · matched via Focus · PubMed record (CORPUS-A)
PMID 39048816 ↗18Creatine supplementation improves short-term memory and intelligenceRae C et al. · Proc Biol Sci · 2023Creatine supplementation improved working memory and intelligence tasks, especially in vegetarians.
PMID 15660277 ↗19Lion's Mane mushroom improves cognitive function: A double-blind trialMori K et al. · Phytother Res · 20233g Lion's Mane powder daily for 16 weeks improved cognitive scores in mild cognitive impairment.
PMID 24266378 ↗20Choline supplements: An updateKansakar U, et al. · Frontiers in endocrinology · 2023Journal Article · matched via Focus · PubMed record (CORPUS-A)
PMID 36950691 ↗21PSMA PET imaging in the diagnosis and management of prostate cancerHoushmand S, et al. · Abdominal radiology (New York) · 2023Journal Article · matched via Focus · PubMed record (CORPUS-A)
PMID 37493837 ↗22In Vitro Antiviral Activity of Potential Medicinal Plant Extracts Against Dengue and Chikungunya VirusesAlagarasu K, et al. · Frontiers in cellular and infection microbiology · 2022Journal Article · matched via Focus · PubMed record (CORPUS-A)
PMID 35463636 ↗23Ameliorative Effects of Phytomedicines on Alzheimer's PatientsKhandia R, et al. · Current Alzheimer research · 2022Review · matched via Focus · PubMed record (CORPUS-A)
PMID 35692129 ↗24Citicoline: pharmacological and clinical review, 2022 updateSecades JJ, et al. · Revista de neurologia · 2022Journal Article · matched via Focus · PubMed record (CORPUS-A)
PMID 36544369 ↗25The Safety and Efficacy of Botanicals with Nootropic EffectsRoe AL, et al. · Current neuropharmacology · 2021Journal Article · matched via Focus · PubMed record (CORPUS-A)
PMID 34315377 ↗26Gut Microbiota and Cardiovascular DiseaseWitkowski M, et al. · Circulation research · 2020Journal Article · matched via Focus · PubMed record (CORPUS-A)
PMID 32762536 ↗27Chiral analysis of theanine and catechin in characterization of green tea by cyclodextrin-modified micellar electrokinetic chromatography and high performance liquid chromatographyFiori J, et al. · Journal of chromatography. A · 2018Journal Article · matched via Focus · PubMed record (CORPUS-A)
PMID 29859684 ↗28L-Theanine Down-Regulates the JAK/STAT3 Pathway to Attenuate the Proliferation and Migration of Vascular Smooth Muscle Cells Induced by Angiotensin IIBen P, et al. · Biological & pharmaceutical bulletin · 2018Journal Article · matched via Focus · PubMed record (CORPUS-A)
PMID 30381668 ↗29Pathophysiology of anaphylaxisKhan BQ, et al. · Current opinion in allergy and clinical immunology · 2011Journal Article · matched via Focus · PubMed record (CORPUS-A)
PMID 21659865 ↗What publications report
Outcome rows from the linked papers’ curated records. Educational, not medical advice. Ordered by strength of evidence, then result direction.
Figures are reported as published; designs and populations vary. We do not interpret results or give medical advice.
Linked compounds.
Position is not a recommendation. Scores summarise published studies only.