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The Journal

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Journal archive.

Page 2 of 61

Phosphatidylserine for ADHD: What the Research Actually Shows
Science

Phosphatidylserine for ADHD: What the Research Actually Shows

Does phosphatidylserine help ADHD? See what clinical trials actually show about dosing, effects on inattention, and how it compares to proven treatments.

R
Roon Team
July 3, 2026·9 min read
#adhd
Grape Seed Extract and Cognition: What Proanthocyanidins Actually Do for Processing Speed and Attention
Science

Grape Seed Extract and Cognition: What Proanthocyanidins Actually Do for Processing Speed and Attention

Discover how grape seed extract proanthocyanidins may boost processing speed and attention. What the research actually shows about this quiet cognitive

R
Roon Team
July 3, 2026·9 min read
+2
Rosemary and 1,8-Cineole: Can the Smell of an Herb Sharpen Your Mind?
Science

Rosemary and 1,8-Cineole: Can the Smell of an Herb Sharpen Your Mind?

Can rosemary aroma sharpen your mind? Explore the science behind 1,8-cineole, the compound linked to faster, more accurate cognitive performance.

R
Roon Team
July 3, 2026·10 min read
#memory
Centrophenoxine: Does the "Anti-Aging Nootropic" Hold Up?
Science

Centrophenoxine: Does the "Anti-Aging Nootropic" Hold Up?

Centrophenoxine is marketed as an anti-aging nootropic, but how strong is the evidence? We break down the real science behind the claimed benefits.

R
Roon Team
July 3, 2026·8 min read
+1
How Much Creatine for Your Brain? Why Your Head May Need More Than Your Muscles
Science

How Much Creatine for Your Brain? Why Your Head May Need More Than Your Muscles

The standard 5g creatine dose may not reach your brain. Learn what science says about the right creatine dose for brain function and cognition.

R
Roon Team
July 3, 2026·10 min read
+1
DL-Phenylalanine (DLPA) and Mood: A Careful Look at the Evidence
Science

DL-Phenylalanine (DLPA) and Mood: A Careful Look at the Evidence

DLPA is marketed as a natural mood booster, but how strong is the science? A clear-eyed look at dl-phenylalanine benefits, mechanisms, and research gaps.

R
Roon Team
July 3, 2026·10 min read
+2
Maca (Lepidium meyenii): What the Mood and Energy Trials Really Found
Science

Maca (Lepidium meyenii): What the Mood and Energy Trials Really Found

Maca promises better mood and energy, but what do human trials actually show? We break down the real evidence, strongest findings, and weakest claims.

R
Roon Team
July 3, 2026·10 min read
+3
Schisandra chinensis: The Berry Adaptogen for Mental Endurance
Science

Schisandra chinensis: The Berry Adaptogen for Mental Endurance

Schisandra chinensis offers real cognitive benefits for mental endurance under stress. Learn what the science actually supports before adding it to your

R
Roon Team
July 3, 2026·9 min read
+1
Why Theacrine Does Not Build Tolerance When Caffeine Does: The Receptor Science
Nootropics

Why Theacrine Does Not Build Tolerance When Caffeine Does: The Receptor Science

Discover why theacrine has no tolerance buildup while caffeine does. Learn the receptor science behind adenosine, dopamine, and 8-week human study results.

R
Roon Team
July 3, 2026·10 min read
#theacrine (teacrine®)+1
Is Coffee Actually Good for You? What the Longevity and Brain-Health Data Show
Nootropics

Is Coffee Actually Good for You? What the Longevity and Brain-Health Data Show

Is coffee good for you? Large studies say yes—moderate intake lowers mortality and reduces Parkinson's risk. Here's what the data actually shows.

R
Roon Team
July 2, 2026·10 min read
#coffee
Caffeine Withdrawal: Why Quitting Coffee Gives You a Headache (and How Long It Lasts)
Nootropics

Caffeine Withdrawal: Why Quitting Coffee Gives You a Headache (and How Long It Lasts)

Caffeine withdrawal headaches start within 12–24 hours and peak by day 2. Learn why they happen, how long they last, and how to quit without the pain.

R
Roon Team
July 2, 2026·9 min read
#caffeine+2
Nature and Focus: How a Walk Outside Restores Your Attention
Nootropics

Nature and Focus: How a Walk Outside Restores Your Attention

Discover why nature improves focus better than caffeine. Learn how Attention Restoration Theory explains why a short walk outside recharges your brain.

R
Roon Team
July 2, 2026·9 min read
+3
The Multitasking Myth: Why Your Brain Can't Actually Do Two Things at Once
Nootropics

The Multitasking Myth: Why Your Brain Can't Actually Do Two Things at Once

Does multitasking work? Science proves your brain switches tasks, not juggles them. Learn why multitasking kills productivity and what to do instead.

R
Roon Team
July 2, 2026·9 min read
+2
Breathwork for Focus and Calm: The Science of Cyclic Sighing and Box Breathing
Nootropics

Breathwork for Focus and Calm: The Science of Cyclic Sighing and Box Breathing

Discover how breathwork for focus works. Learn the science behind cyclic sighing and box breathing to reduce stress and sharpen attention fast.

R
Roon Team
July 2, 2026·10 min read
#focus+1
Does Caffeine Cancel Out Cocoa Flavanols? What Combination Trials Actually Show
Nootropics

Does Caffeine Cancel Out Cocoa Flavanols? What Combination Trials Actually Show

Does caffeine cancel out cocoa flavanols? Combination trials reveal the truth behind the cancellation myth and what actually happens in your brain.

R
Roon Team
July 2, 2026·10 min read
#caffeine+3
Are "Smart Drugs" Worth It? An Honest Look at Research Nootropics
Nootropics

Are "Smart Drugs" Worth It? An Honest Look at Research Nootropics

Most smart drugs are overhyped. We cut through the marketing to show which research nootropics have real human data—and which ones to skip.

R
Roon Team
July 2, 2026·10 min read
+2
Spermidine-Rich Foods: Eating for Autophagy and Longevity
Nootropics

Spermidine-Rich Foods: Eating for Autophagy and Longevity

Discover the top spermidine-rich foods that trigger autophagy and support longevity. Learn what the science says and how to eat for cellular health

R
Roon Team
July 2, 2026·9 min read
+2
Do Nootropics Build Tolerance? When Cycling Actually Matters
Nootropics

Do Nootropics Build Tolerance? When Cycling Actually Matters

Not all nootropics build tolerance the same way. Learn which compounds require cycling, which don't, and how long your breaks should actually be.

R
Roon Team
July 2, 2026·10 min read
+1
The Placebo Effect in Nootropics: How Much of "It Works" Is Belief?
Nootropics

The Placebo Effect in Nootropics: How Much of "It Works" Is Belief?

Is your focus supplement actually working—or is belief doing the heavy lifting? Explore the nootropics placebo effect and what the science really shows.

R
Roon Team
July 2, 2026·8 min read
Does Music Help You Focus? The Science of Focus Playlists, Lyrics, and Tempo
Nootropics

Does Music Help You Focus? The Science of Focus Playlists, Lyrics, and Tempo

Does music help you focus or hurt it? Learn how lyrics, tempo, and task type affect concentration—backed by cognitive science.

R
Roon Team
July 2, 2026·10 min read
+1
Do Binaural Beats Actually Work for Focus? What the Evidence Says
Nootropics

Do Binaural Beats Actually Work for Focus? What the Evidence Says

Do binaural beats work for focus? A 2019 meta-analysis found real effects—but the truth is more nuanced than the hype. Here's what science actually shows.

R
Roon Team
July 2, 2026·9 min read
+3
Building Cognitive Reserve: The Evidence-Based Way to Protect Your Brain as You Age
Nootropics

Building Cognitive Reserve: The Evidence-Based Way to Protect Your Brain as You Age

Learn how to prevent cognitive decline with proven strategies. Discover what the 2024 Lancet Commission and FINGER trial reveal about protecting your

R
Roon Team
July 2, 2026·11 min read
+1
Blood Sugar and the Brain: Why the Post-Lunch Crash Is a Glucose Story
Nootropics

Blood Sugar and the Brain: Why the Post-Lunch Crash Is a Glucose Story

Your afternoon brain fog isn't a caffeine problem—it's a glucose story. Learn how blood sugar and brain function are linked and how to fix the post-lunch

R
Roon Team
July 2, 2026·9 min read
+2
Blue Light and Attention: The Daytime Alertness Boost and the Nighttime Sleep Tax
Nootropics

Blue Light and Attention: The Daytime Alertness Boost and the Nighttime Sleep Tax

Blue light sharpens focus by day but disrupts sleep at night. Learn the science of timing your light exposure to boost alertness without paying the sleep

R
Roon Team
July 2, 2026·10 min read
+1