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The Journal

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Journal archive.

Page 22 of 74

Saffron for Memory and Cognition
Science

Saffron for Memory and Cognition

Does saffron sharpen memory or just lift mood? We break down the real science behind saffron cognitive benefits and where the evidence actually holds up.

R
Roon Team
June 23, 2026·10 min read
+3
Sage for Memory: The Cholinesterase-Inhibiting Herb Hiding in Your Spice Rack
Science

Sage for Memory: The Cholinesterase-Inhibiting Herb Hiding in Your Spice Rack

Sage works on the same enzyme as Alzheimer's drugs. Discover what human trials actually show about sage for memory, dosing, and cognitive benefits.

R
Roon Team
June 23, 2026·9 min read
#memory+1
PQQ (Pyrroloquinoline Quinone): Mitochondrial Biogenesis
Science

PQQ (Pyrroloquinoline Quinone): Mitochondrial Biogenesis

Discover how a PQQ supplement supports mitochondrial biogenesis and brain energy. Learn the science, dosing, and what to realistically expect.

R
Roon Team
June 23, 2026·10 min read
+3
Pycnogenol (French Maritime Pine Bark Extract)
Science

Pycnogenol (French Maritime Pine Bark Extract)

Pycnogenol (French maritime pine bark) may boost sustained attention and memory over 4–12 weeks. See what the research actually says about dosage and

R
Roon Team
June 22, 2026·11 min read
+2
Vinpocetine: The Periwinkle Nootropic, Its Evidence, and the FDA Question
Science

Vinpocetine: The Periwinkle Nootropic, Its Evidence, and the FDA Question

Is vinpocetine worth taking? Explore the real science behind this nootropic, its proposed benefits for brain health, and why the FDA has flagged it twice.

R
Roon Team
June 22, 2026·11 min read
+2
Choline Bitartrate: Is the Cheapest Choline Worth It?
Science

Choline Bitartrate: Is the Cheapest Choline Worth It?

Choline bitartrate is affordable, but does it work? Learn when it's worth buying and when to choose citicoline or alpha-GPC instead.

R
Roon Team
June 22, 2026·9 min read
+1
DMAE (Dimethylaminoethanol): What the Science Actually Says
Science

DMAE (Dimethylaminoethanol): What the Science Actually Says

DMAE is marketed as a brain booster, but the science tells a different story. Discover what the evidence actually says about DMAE benefits and risks.

R
Roon Team
June 22, 2026·10 min read
+1
Uridine Monophosphate: Benefits, Dosage, and the Science
Science

Uridine Monophosphate: Benefits, Dosage, and the Science

Discover the real uridine monophosphate benefits, how it supports brain structure via the Kennedy cycle, optimal dosage, and what the evidence actually

R
Roon Team
June 22, 2026·9 min read
+2
Beta-Alanine for the Brain: Carnosine, Resilience
Science

Beta-Alanine for the Brain: Carnosine, Resilience

Beta-alanine isn't just for muscles. Explore how it builds brain carnosine, what the science says about focus, resilience, and cognitive aging.

R
Roon Team
June 22, 2026·9 min read
+3
Glycine for Sharper Days: The Next-Morning Cognition Angle
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.

R
Roon Team
June 22, 2026·9 min read
+2
Acetyl-L-Carnitine for Mental Fatigue and Brain Fog
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

R
Roon Team
June 22, 2026·10 min read
+2
Does Creatine Make You Smarter? What the 2024 Meta-Analysis Actually Found
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.

R
Roon Team
June 22, 2026·9 min read
+1
L-Phenylalanine: The Amino Acid One Step Upstream of Dopamine
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.

R
Roon Team
June 22, 2026·10 min read
+3
L-Tyrosine Dosage: How Much, When, and Why More Is Not Better
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
Holy Basil (Tulsi): The Cortisol-Lowering Adaptogen With Real RCT Data
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
Eleuthero (Siberian Ginseng): The Stamina Adaptogen
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
Gotu Kola (Centella asiatica): Calm, Acetylcholine
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
American Ginseng (Cereboost): The Working-Memory Adaptogen
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
Fast In, Fast Felt
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
From Matcha's 1:2 to Roon's 4:3: What the Science Says About Every Caffeine-to-Theanine Ratio
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
Caffeine and L-Theanine Synergy: Why the Combo Works
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
Do Brain-Training Games Actually Work? Lumosity, the ACTIVE Trial, and the Evidence
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
Meditation and the Brain
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
Cold Exposure and Dopamine
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