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The Journal

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Page 4 of 61

Phenylpiracetam vs Modafinil: Two Stimulating Cognitive Enhancers Compared
Nootropics

Phenylpiracetam vs Modafinil: Two Stimulating Cognitive Enhancers Compared

Phenylpiracetam vs modafinil: compare mechanisms, half-lives, legality, and tolerance. Find out which cognitive enhancer suits your needs—or why neither

R
Roon Team
June 30, 2026·10 min read
Noopept vs Piracetam: Potency, Mechanism, and Evidence Compared
Nootropics

Noopept vs Piracetam: Potency, Mechanism, and Evidence Compared

Noopept vs Piracetam compared honestly—potency, mechanisms, dosing, and real human evidence. Cut through the hype before you buy either nootropic.

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Roon Team
June 30, 2026·10 min read
Cordyceps vs Caffeine: Mitochondrial Energy vs Stimulant Energy
Nootropics

Cordyceps vs Caffeine: Mitochondrial Energy vs Stimulant Energy

Cordyceps and caffeine work completely differently. Learn how mitochondrial energy compares to stimulant energy and which one is right for your goals.

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Roon Team
June 30, 2026·9 min read
#caffeine
Saffron vs 5-HTP: Two Different Roads to Better Serotonin Tone
Nootropics

Saffron vs 5-HTP: Two Different Roads to Better Serotonin Tone

Saffron and 5-HTP boost serotonin through opposite mechanisms. Learn which one fits your goals, medication situation, and side effect tolerance.

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Roon Team
June 30, 2026·10 min read
5-HTP vs L-Tryptophan: Which Serotonin Precursor Is Actually Better?
Nootropics

5-HTP vs L-Tryptophan: Which Serotonin Precursor Is Actually Better?

5-HTP vs L-tryptophan: discover how these serotonin precursors differ in potency, side effects, and best use cases to choose the right one for you.

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Roon Team
June 30, 2026·10 min read
+1
Ginkgo vs Bacopa: Blood Flow or Acetylcholine for Memory?
Nootropics

Ginkgo vs Bacopa: Blood Flow or Acetylcholine for Memory?

Ginkgo vs Bacopa compared by mechanism, evidence, and who each suits. Blood flow or acetylcholine—find out which herb matches your memory goals.

R
Roon Team
June 30, 2026·9 min read
#bacopa
CoQ10 vs PQQ: Which Mitochondrial Brain-Energy Supplement Wins?
Nootropics

CoQ10 vs PQQ: Which Mitochondrial Brain-Energy Supplement Wins?

CoQ10 vs PQQ for brain energy—how do they differ, what does the evidence show, and is stacking both worth it? Get the honest, research-backed breakdown.

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Roon Team
June 29, 2026·10 min read
Curcumin vs Resveratrol: The Polyphenol Cognition Showdown
Nootropics

Curcumin vs Resveratrol: The Polyphenol Cognition Showdown

Curcumin vs resveratrol for cognition—which wins? Compare mechanisms, memory data, and bioavailability to find the right polyphenol for your brain health

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Roon Team
June 29, 2026·11 min read
+1
Ginkgo vs Vinpocetine: Which Cerebral Blood Flow Nootropic Has Better Evidence?
Nootropics

Ginkgo vs Vinpocetine: Which Cerebral Blood Flow Nootropic Has Better Evidence?

Ginkgo vs vinpocetine—which cerebral blood flow nootropic actually works? We break down the evidence, safety concerns, and what the research really shows.

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Roon Team
June 29, 2026·10 min read
ALCAR vs L-Carnitine: Why Only One Reaches Your Brain
Nootropics

ALCAR vs L-Carnitine: Why Only One Reaches Your Brain

Comparing acetyl-l-carnitine vs l-carnitine? Only ALCAR crosses the blood-brain barrier. Learn which form supports cognition and which is best for energy.

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Roon Team
June 29, 2026·9 min read
+1
Huperzine A vs Choline Supplements: Block the Breakdown or Supply the Raw Material?
Nootropics

Huperzine A vs Choline Supplements: Block the Breakdown or Supply the Raw Material?

Huperzine A blocks acetylcholine breakdown while choline supplies the raw material. Learn which approach fits your cognitive goals and why cycling matters.

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Roon Team
June 29, 2026·9 min read
Citicoline vs Acetyl-L-Carnitine: Two Different Roads to More Acetylcholine
Nootropics

Citicoline vs Acetyl-L-Carnitine: Two Different Roads to More Acetylcholine

Citicoline and acetyl-L-carnitine both raise acetylcholine but work differently. Learn which supplement fits your brain health goals.

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Roon Team
June 29, 2026·9 min read
+2
L-Tyrosine vs Mucuna Pruriens (L-DOPA): Precursor vs Direct Dopamine
Nootropics

L-Tyrosine vs Mucuna Pruriens (L-DOPA): Precursor vs Direct Dopamine

L-tyrosine vs mucuna pruriens: one feeds dopamine production, the other bypasses your brain's control valve. Learn which is safer and more effective for

R
Roon Team
June 29, 2026·10 min read
+2
N-Acetyl-L-Tyrosine (NALT) vs L-Tyrosine: Does the "More Soluble" Form Reach Your Brain?
Nootropics

N-Acetyl-L-Tyrosine (NALT) vs L-Tyrosine: Does the "More Soluble" Form Reach Your Brain?

NALT dissolves better, but does it deliver more tyrosine to your brain? Compare bioavailability, absorption, and real-world cognitive benefits of NALT vs

R
Roon Team
June 29, 2026·10 min read
+1
Panax Ginseng vs American Ginseng: Why the Same Plant Gives You Opposite Effects
Nootropics

Panax Ginseng vs American Ginseng: Why the Same Plant Gives You Opposite Effects

Panax ginseng stimulates, American ginseng calms—but why? Learn how ginsenosides Rg1 and Rb1 explain their opposite effects before you buy.

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Roon Team
June 29, 2026·9 min read
+1
Taurine Deficiency and Aging: What the 2023 Science Study Actually Found
Nootropics

Taurine Deficiency and Aging: What the 2023 Science Study Actually Found

The 2023 taurine and aging study made big claims. Here's what the animal data actually showed, why human evidence is thin, and what a 2025 paper changed.

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Roon Team
June 29, 2026·10 min read
+1
Homocysteine, B Vitamins and Brain Aging: The VITACOG Study, Explained
Nootropics

Homocysteine, B Vitamins and Brain Aging: The VITACOG Study, Explained

Discover how the VITACOG trial linked homocysteine and brain shrinkage—and how B vitamins slowed cognitive decline in older adults with mild memory

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Roon Team
June 29, 2026·10 min read
+3
The COSMOS Trial: What 21,000 People Revealed About Cocoa Extract
Nootropics

The COSMOS Trial: What 21,000 People Revealed About Cocoa Extract

The COSMOS trial tested cocoa extract in 21,000+ adults for 3.6 years. The headline results are misleading—here's what the data actually showed.

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Roon Team
June 29, 2026·9 min read
+3
What Theacrine Actually Does to Cognition: The Honest Read on the Kuhman 2015 Trial
Nootropics

What Theacrine Actually Does to Cognition: The Honest Read on the Kuhman 2015 Trial

The Kuhman 2015 theacrine cognitive performance study showed mood boosts but no measurable brain performance gains. Here's what the data actually says.

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Roon Team
June 29, 2026·9 min read
#theacrine (teacrine®)+3
Caffeine Makes Theacrine Hit Harder: The PK Interaction Study Behind the Stack
Nootropics

Caffeine Makes Theacrine Hit Harder: The PK Interaction Study Behind the Stack

A 2017 PK study found caffeine boosts theacrine absorption significantly. Learn what the theacrine caffeine interaction study means for your supplement

R
Roon Team
June 29, 2026·9 min read
#theacrine (teacrine®)#caffeine+2
The Dynamine Safety Trial: What 125 People Taught Us About Methylliberine
Nootropics

The Dynamine Safety Trial: What 125 People Taught Us About Methylliberine

A 4-week methylliberine safety study tracked 125 adults on Dynamine. Here's what the data show about heart health, blood markers, and effective doses.

R
Roon Team
June 29, 2026·10 min read
#methylliberine (dynamine®)#safety+3
The Alpha-Wave Study: How L-Theanine Produces "Calm Alertness" in the EEG
Nootropics

The Alpha-Wave Study: How L-Theanine Produces "Calm Alertness" in the EEG

Discover how the landmark l-theanine alpha waves study proves this amino acid boosts relaxed focus—not sedation—via measurable EEG brain activity.

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Roon Team
June 28, 2026·9 min read
+3
38 Milliseconds Faster When Sleep-Deprived: Inside the 2025 High-Dose Theanine-Caffeine Attention Trial
Nootropics

38 Milliseconds Faster When Sleep-Deprived: Inside the 2025 High-Dose Theanine-Caffeine Attention Trial

A 2025 EEG trial found l-theanine caffeine cut reaction time by 38ms in sleep-deprived adults. See what the brain data reveals about this popular stack.

R
Roon Team
June 28, 2026·11 min read
+3
When the Calm-Focus Combo Falls Short: What the 2010 Task-Switching Trials Found (and Didn't)
Nootropics

When the Calm-Focus Combo Falls Short: What the 2010 Task-Switching Trials Found (and Didn't)

What did the 2010 Giesbrecht trials actually find about l-theanine caffeine task switching? One clear win, two flat lines—here's what the data really

R
Roon Team
June 28, 2026·10 min read
+3