Science
Glycine for Sharper Days: The Next-Morning Cognition Angle
Glycine daytime alertness starts the night before. Learn how 3g before bed improves sleep quality and sharpens next-morning focus and energy.
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Roon Team
June 22, 2026·9 min read
+2
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Science
Acetyl-L-Carnitine for Mental Fatigue and Brain Fog
Does acetyl-l-carnitine actually fight mental fatigue and brain fog? We break down the real clinical evidence, who it helps, and where the marketing
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Roon Team
June 22, 2026·10 min read
+2
Science
Does Creatine Make You Smarter? What the 2024 Meta-Analysis Actually Found
Does creatine improve cognition? The 2024 meta-analysis found mixed results. See who benefits most and where the science actually stands.
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Roon Team
June 22, 2026·9 min read
+1
Science
L-Phenylalanine: The Amino Acid One Step Upstream of Dopamine
Discover l-phenylalanine benefits for focus, mood, and dopamine production. Learn how this essential amino acid works and whether it's worth supplementing.
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Roon Team
June 22, 2026·10 min read
+3
Science
L-Tyrosine Dosage: How Much, When, and Why More Is Not Better
Learn the right l-tyrosine dosage for your goals. Discover why timing and context matter more than size, and why taking more can backfire.
R
Roon Team
June 22, 2026·10 min read
+2
Science
Holy Basil (Tulsi): The Cortisol-Lowering Adaptogen With Real RCT Data
Holy basil (tulsi) has real RCT data showing lower hair cortisol and improved stress. See what the science actually says about doses and effects.
R
Roon Team
June 22, 2026·11 min read
+3
Science
Eleuthero (Siberian Ginseng): The Stamina Adaptogen
Discover the real eleuthero benefits for stamina and stress resilience. We break down the science on Siberian ginseng, eleutherosides, and the HPA axis.
R
Roon Team
June 22, 2026·11 min read
+2
Science
Gotu Kola (Centella asiatica): Calm, Acetylcholine
Do gotu kola cognitive benefits hold up to scrutiny? We break down the real evidence on anxiety, memory, and acetylcholine claims—before you buy.
R
Roon Team
June 22, 2026·10 min read
+2
Science
American Ginseng (Cereboost): The Working-Memory Adaptogen
Discover how American ginseng (Cereboost) improves working memory and focus without stimulants. See what human trials actually show about this adaptogen.
R
Roon Team
June 22, 2026·9 min read
+3
Nootropics
Fast In, Fast Felt
Discover why Dynamine hits fast—methylliberine peaks in 35–55 minutes. Learn the pharmacokinetics behind its quick onset and how it compares to caffeine.
R
Roon Team
June 21, 2026·10 min read
+2
Nootropics
From Matcha's 1:2 to Roon's 4:3: What the Science Says About Every Caffeine-to-Theanine Ratio
1:2, 1:1, or 4:3? Discover what research really says about every caffeine to theanine ratio and which one matches your focus goals.
R
Roon Team
June 21, 2026·10 min read
#caffeine+2
Nootropics
Caffeine and L-Theanine Synergy: Why the Combo Works
Discover why caffeine and l-theanine synergy works so well. Two separate brain pathways combine for sharper focus without the jitters. Science-backed
R
Roon Team
June 21, 2026·11 min read
#caffeine+2
Nootropics
Do Brain-Training Games Actually Work? Lumosity, the ACTIVE Trial, and the Evidence
Brain training games improve game scores, but do they boost real-world memory or prevent dementia? See what Lumosity's FTC fine and the ACTIVE trial
R
Roon Team
June 21, 2026·11 min read
+3
Nootropics
Meditation and the Brain
Discover what meditation actually does to your brain's attention systems. Real neuroscience, honest study breakdowns, and practical takeaways on
R
Roon Team
June 21, 2026·10 min read
+2
Nootropics
Cold Exposure and Dopamine
Does cold exposure really spike dopamine for focus and mood? We break down the real science behind cold plunges, the 250% claim, and what actually works.
R
Roon Team
June 21, 2026·10 min read
+2
Nootropics
Nutrient Deficiencies That Cause Brain Fog: The Big Five
Nutrient deficiency brain fog is more common than you think. Discover the big five culprits—B12, iron, vitamin D, magnesium, omega-3s—and how to fix them.
R
Roon Team
June 21, 2026·10 min read
+2
Nootropics
The Legal Gray Area of Nootropics in the US: Racetams
Are nootropics legal? The answer depends on the compound. Learn where racetams, phenibut, and modafinil stand under US law before you buy.
R
Roon Team
June 21, 2026·10 min read
+1
Nootropics
Are You Getting Enough Choline? Dietary Intake, Memory, and the Deficiency Problem
90% of Americans fall short on choline. Learn how dietary choline deficiency affects memory, brain function, and what you can do to close the gap.
R
Roon Team
June 21, 2026·9 min read
+2
Nootropics
How to Build a Safe Nootropic Stack: A Beginner's Science-First Guide
Learn how to build a nootropic stack safely with a science-first approach. Start small, avoid bad combos, and get real cognitive results without the
R
Roon Team
June 21, 2026·11 min read
+1
Nootropics
Caffeine Myths, Debunked: Dehydration, Stunted Growth
Think caffeine dehydrates you or stunts growth? We debunk the biggest caffeine myths with real science so you can drink smarter.
R
Roon Team
June 21, 2026·9 min read
#caffeine+1
Nootropics
What Makes a True Nootropic? Giurgea’s Original Criteria
Most products labeled 'nootropic' fail the original test. Discover Giurgea's strict 1972 criteria and what actually makes a true nootropic.
R
Roon Team
June 21, 2026·10 min read
+1
Nootropics
How Long Does Caffeine Stay in Your System? Half-Life Math for Sleep
Caffeine's half-life math reveals your real cutoff time. Learn how long caffeine stays in your system and why your 3pm coffee may be wrecking your sleep.
R
Roon Team
June 21, 2026·9 min read
#caffeine+2
Nootropics
Sleep Architecture and Memory: How Deep Sleep
Learn how sleep and memory consolidation actually work. Deep sleep and REM lock in what you learn—and cutting sleep short quietly erases it.
R
Roon Team
June 21, 2026·11 min read
#sleep#memory+1
Nootropics
Do Nootropic Mushrooms Actually Work? What the Human Evidence Really Shows
Do nootropic mushrooms work? We break down the actual human evidence on lion's mane, cordyceps, and reishi—beyond the marketing hype.
R
Roon Team
June 21, 2026·10 min read
+2