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The Journal

Science

Science.

Research-backed breakdowns of clinical studies, neurotransmitters, and how your brain actually works.

Is Sucralose Keto Friendly? Net Carbs, the Splenda Packet Trap, and What the Insulin Studies Actually Show
Science

Is Sucralose Keto Friendly? Net Carbs, the Splenda Packet Trap, and What the Insulin Studies Actually Show

Pure sucralose has no meaningful carbs, but Splenda packets carry hidden fillers, and insulin trials raise a separate question. Here is the full picture.

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Roon Team
September 2, 2026·9 min read
Flavor Fatigue: Why Your Daily Coffee, Energy Drink, or Pouch Stops Tasting Like Anything
Science

Flavor Fatigue: Why Your Daily Coffee, Energy Drink, or Pouch Stops Tasting Like Anything

Flavor fatigue explained: why your daily coffee, energy drink, or pouch stops tasting like anything, the real mechanism, and what actually helps.

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Roon Team
September 2, 2026·8 min read
Does Caffeine Help Memory? The Research Says Mostly No
Science

Does Caffeine Help Memory? The Research Says Mostly No

Does caffeine help memory? A 2014 study found 200 mg post-learning helped, but 100 mg did not, and a 2020 follow-up failed to replicate the result.

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Roon Team
September 1, 2026·8 min read
Does a Calorie Deficit Make You Tired? Why It Happens and What Actually Helps
Science

Does a Calorie Deficit Make You Tired? Why It Happens and What Actually Helps

A calorie deficit lowers thyroid output and leptin while raising cortisol, causing real fatigue and brain fog. Here is what actually helps.

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Roon Team
September 1, 2026·9 min read
Apoaequorin: The Jellyfish Protein in Prevagen, and What Happens When You Swallow It
Science

Apoaequorin: The Jellyfish Protein in Prevagen, and What Happens When You Swallow It

Apoaequorin is a calcium-binding jellyfish protein that likely does not survive digestion. See the lab evidence and what reaches the brain.

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Roon Team
August 31, 2026·8 min read
Caffeine Crash Symptoms: What They Feel Like, How Long They Last, and Why They Hit at 2 PM
Science

Caffeine Crash Symptoms: What They Feel Like, How Long They Last, and Why They Hit at 2 PM

What a caffeine crash actually feels like, how long it lasts, why it hits mid-afternoon, and how it differs from a sugar crash, explained with real data.

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Roon Team
August 31, 2026·9 min read
#caffeine#energy
Do Zyns Have Calories? Nutrition Facts for Nicotine Pouches (Sugar, Carbs, Fasting)
Science

Do Zyns Have Calories? Nutrition Facts for Nicotine Pouches (Sugar, Carbs, Fasting)

Zyn pouches contain under 1 calorie each per the brand's own FAQ, with no added sugar. See the full nutrition facts and fasting-relevant details.

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Roon Team
August 31, 2026·7 min read
#zyn
Does Sucralose Make You Hungrier or Cause Weight Gain? The 2025 Hypothalamus Study, Explained
Science

Does Sucralose Make You Hungrier or Cause Weight Gain? The 2025 Hypothalamus Study, Explained

A 2025 brain-imaging study found sucralose raised hunger signals, but weight trials show no long-term gain. Here is how both findings fit together.

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Roon Team
August 31, 2026·9 min read
Is Menthol Mint? What "Cool" Actually Is (and Why They're Not the Same Thing)
Science

Is Menthol Mint? What "Cool" Actually Is (and Why They're Not the Same Thing)

Is menthol mint? No: menthol is one cooling compound found in some mints, and "cool" is a nerve sensation, not a flavor. Here's the real chemistry.

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Roon Team
August 30, 2026·9 min read
Does Caffeine Raise Blood Sugar? The Acute vs. Habitual Paradox, Explained
Science

Does Caffeine Raise Blood Sugar? The Acute vs. Habitual Paradox, Explained

Caffeine spikes blood sugar acutely in lab studies, yet habitual coffee drinkers have lower diabetes risk. Here is how both findings can be true.

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Roon Team
August 29, 2026·9 min read
#caffeine
How to Get Rid of Caffeine Jitters Fast: What Actually Works in the Next 30 Minutes
Science

How to Get Rid of Caffeine Jitters Fast: What Actually Works in the Next 30 Minutes

What actually calms caffeine jitters in the next 30 minutes, what the evidence supports, and what to try next time to avoid them.

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Roon Team
August 29, 2026·10 min read
#caffeine
Sucralose vs Stevia: Taste, Blood Sugar, Gut Health, and Which One Is in Your Drink
Science

Sucralose vs Stevia: Taste, Blood Sugar, Gut Health, and Which One Is in Your Drink

Stevia and sucralose win in different categories: taste, origin, blood sugar evidence, and gut effects. See the full comparison and which drinks use each.

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Roon Team
August 28, 2026·8 min read
Wintergreen vs Spearmint vs Peppermint: The Three Pouch Mints Explained
Science

Wintergreen vs Spearmint vs Peppermint: The Three Pouch Mints Explained

Wintergreen vs spearmint vs peppermint compared: why wintergreen isn't chemically a mint at all, and how each flavor's compound decides how it feels.

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Roon Team
August 28, 2026·8 min read
Does Caffeine Help You Lose Weight? What 40 Years of Trials Actually Show
Science

Does Caffeine Help You Lose Weight? What 40 Years of Trials Actually Show

Caffeine measurably raises energy expenditure in lab studies, but the effect is small and fades with tolerance. Here is what four decades of trials show.

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Roon Team
August 28, 2026·9 min read
#caffeine
Does Caffeine Cause Bloating? Separating the Caffeine From the Coffee Acids, Milk, and Sweeteners
Science

Does Caffeine Cause Bloating? Separating the Caffeine From the Coffee Acids, Milk, and Sweeteners

Decaf coffee bloats people too, which points to coffee's acids and gut effects, not caffeine. Here is what the digestion research actually shows.

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Roon Team
August 27, 2026·7 min read
#caffeine
How to Take a Caffeine Nap: The 20-Minute Protocol (and Why a Pouch Changes the Math)
Science

How to Take a Caffeine Nap: The 20-Minute Protocol (and Why a Pouch Changes the Math)

The caffeine nap protocol backed by real research: how much caffeine, how long to nap, and why 20 minutes is the number that actually works.

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Roon Team
August 26, 2026·8 min read
#caffeine#sleep
Does Sucralose Raise Blood Sugar? What the Trials Actually Show
Science

Does Sucralose Raise Blood Sugar? What the Trials Actually Show

Acute, chronic, and with-carbohydrate sucralose trials point different directions. See the studies and where FDA, JECFA, and EFSA stand today.

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Roon Team
August 26, 2026·8 min read
Spearmint vs Peppermint: Why One Feels Cold and the Other Tastes Sweet
Science

Spearmint vs Peppermint: Why One Feels Cold and the Other Tastes Sweet

Spearmint vs peppermint explained by chemistry: why peppermint feels cold from menthol and spearmint tastes sweet from carvone, with real oil data.

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Roon Team
August 26, 2026·8 min read
Why Does Caffeine Make You Hungry? Blood Sugar, Cortisol, and the Rebound Effect
Science

Why Does Caffeine Make You Hungry? Blood Sugar, Cortisol, and the Rebound Effect

Caffeine rarely spikes hunger on its own. See what research says about blood sugar, cortisol, and coffee additives behind post-coffee hunger.

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Roon Team
August 25, 2026·8 min read
#caffeine
Does Nicotine Suppress Appetite? The Science and the Catch
Science

Does Nicotine Suppress Appetite? The Science and the Catch

Does nicotine suppress appetite? The science, rebound hunger catch, and why that is not a reason to start nicotine for fasting.

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Roon Team
August 16, 2026·9 min read
#focus
How Much Caffeine Is in a Focus Pouch? Is 80 mg Too Much?
Science

How Much Caffeine Is in a Focus Pouch? Is 80 mg Too Much?

A focus pouch holds about 80mg of caffeine, roughly one small coffee. How that compares to other formats and who should take less.

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Roon Team
July 26, 2026·9 min read
Orexin: The Brain's Master "Stay Awake" Switch
Science

Orexin: The Brain's Master "Stay Awake" Switch

Discover how orexin controls wakefulness, why losing it causes narcolepsy, and how new sleep drugs target this powerful brain system.

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Roon Team
July 4, 2026·11 min read
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AMPA Receptor Nootropics: AMPA Receptors and Memory
Science

AMPA Receptor Nootropics: AMPA Receptors and Memory

Discover how AMPA receptor nootropics (ampakines) work, what the science really shows, and why the gap between biology and brain supplements matters.

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Roon Team
July 4, 2026·10 min read
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Glycine and the NMDA Receptor: The Co-Agonist Behind Learning and Memory
Science

Glycine and the NMDA Receptor: The Co-Agonist Behind Learning and Memory

Discover how the glycine NMDA receptor relationship works as a coincidence detector driving learning and long-term potentiation in the brain.

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Roon Team
July 4, 2026·10 min read
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