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L-Theanine 200mg + Caffeine 100mg (Focus Capsules)Nootropics Depot · Cognitive EnhancementPure Encapsulations O.N.E. Multivitamin - Once Daily Multivitamin with Antioxidant Complex Metafolin, CoQ10, and Lutein to Support Vision, Cognitive Function, and Cellular Health* - 60 CapsulesPure Encapsulations · SupplementsCocoaVia Cocoa Flavanols 500mg – Heart and Brain Support, High Flavanol Cocoa Extract, Boosts Nitric Oxide, Blood Circulation and Memory, Preworkout, Vegan, Gluten-Free, Dark Chocolate, 30-DayCocoaVia · SupplementsNatureWise Extra-Strength Omega 3 Fish Oil Supplement - 1000mg per Serving - 600 EPA & 400 DHA and Vitamin E - Sustainably Sourced Fish Oil - Lemon Flavor - 60 Softgels[1-Month Supply]NatureWise · Supplements

Product	L-Theanine 200mg + Caffeine 100mg (Focus Capsules) Nootropics Depot · Cognitive Enhancement
Evidence Score	83Strong
Safety Score	71Good
Effectiveness	77Strong
Research Confidence	77Strong
Product Fit	76Strong
Evidence directness	Ingredient-level evidence
Papers indexed	3
Top verified claim	The theanine-caffeine combination improves attention and accuracy on demanding tasks.
Price	$24.99
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Scores reflect cited research, not medical advice. Highlighted cells mark the strongest score per row among the products shown.