Free U.S. shipping on orders $35+ · Subscribe & save

The Journal

All articles

Journal archive.

Page 2 of 80

Does Tiramisu Have Caffeine? How Much Is in a Slice
Energy

Does Tiramisu Have Caffeine? How Much Is in a Slice

Yes. USDA data puts tiramisu at 34 mg of caffeine per 100 g, so a typical slice lands near 30 to 60 mg. What moves the number, and what it does to sleep.

R
Roon Team
October 1, 2026·8 min read
+2
on! Rewards: How the Program Works and What Is Public
Alternatives

on! Rewards: How the Program Works and What Is Public

on! Rewards gives points for codes on specially marked cans, behind a 21+ login. What Helix publishes, what stays gated, and how ZYN and VELO compare.

R
Roon Team
September 30, 2026·8 min read
+2
What Is Third Shift? Hours, Pay and How to Sleep
Wellness

What Is Third Shift? Hours, Pay and How to Sleep

Third shift is the overnight shift, usually 11 p.m. to 7 a.m. or midnight to 8 a.m. Typical hours, what the law says on extra pay, and a sleep plan.

R
Roon Team
September 30, 2026·9 min read
+2
Does Kahlua Have Caffeine? How Much per Shot
Energy

Does Kahlua Have Caffeine? How Much per Shot

Yes. Kahlua has about 100 mg of caffeine per liter, about 5 mg per 1.5 oz shot, per the brand. See the math for an espresso martini and a White Russian.

R
Roon Team
September 30, 2026·9 min read
+2
Is Non-Alcoholic Beer Bad for You? What the Label Shows
Wellness

Is Non-Alcoholic Beer Bad for You? What the Label Shows

For most adults, no. Non-alcoholic beer has up to 0.5% alcohol and 25 to 70 calories a can. What studies show on sugar, cravings, and who should skip it.

R
Roon Team
September 30, 2026·9 min read
+2
VELO Plus Review: Strengths, Flavors, What Changed
Alternatives

VELO Plus Review: Strengths, Flavors, What Changed

VELO Plus uses synthetic nicotine in 3, 6 and 9 mg moist pouches, 20 per can, in 11 flavors. Label facts, FDA status, and how it differs from VELO.

R
Roon Team
September 30, 2026·8 min read
+2
Does Bone Broth Break a Fast? It Depends on the Goal
Wellness

Does Bone Broth Break a Fast? It Depends on the Goal

A cup of bone broth has 35 to 50 calories and 8 to 10 g of protein, so it breaks a strict fast. Whether that matters depends on your goal. See each one.

R
Roon Team
September 29, 2026·9 min read
+2
Can You Chew Gum With Braces? What Orthodontists Allow
Wellness

Can You Chew Gum With Braces? What Orthodontists Allow

Sugar-free gum is often fine with braces and trials found no extra broken brackets, but the ADA still says avoid gum. Your orthodontist's rule wins.

R
Roon Team
September 29, 2026·8 min read
+2
Creatine Before Bed: Does It Keep You Awake?
Science

Creatine Before Bed: Does It Keep You Awake?

Creatine is not a stimulant and no human trial shows it harming sleep. See what the studies found and why caffeine in the same scoop is the usual culprit.

R
Roon Team
September 29, 2026·8 min read
#sleep+2
Does the Pink Drink Have Caffeine? Every Starbucks Refresher, Every Size
Energy

Does the Pink Drink Have Caffeine? Every Starbucks Refresher, Every Size

Yes. A grande Pink Drink has 50 mg of caffeine, a venti 75 mg. Every Starbucks Refresher by size, the 125 mg Energy versions and the no-caffeine option.

R
Roon Team
September 29, 2026·8 min read
+2
Do Dunkin Refreshers Have Caffeine? Every Size and Base
Energy

Do Dunkin Refreshers Have Caffeine? Every Size and Base

Yes. A Dunkin Refresher has about 66 mg of caffeine in a small, 99 mg in a medium and 132 mg in a large, and the lemonade versions are not caffeine free.

R
Roon Team
September 29, 2026·8 min read
+2
Stroop Test: What It Measures and How to Read Your Score
Science

Stroop Test: What It Measures and How to Read Your Score

The Stroop test times how fast you name an ink color while ignoring the word. See what it measures, how scoring works, and what a score can't tell you.

R
Roon Team
September 28, 2026·10 min read
+3
The Panama Schedule: How It Works and How to Sleep on It
Wellness

The Panama Schedule: How It Works and How to Sleep on It

The Panama schedule is a 2-2-3 rotation of 12-hour shifts over 14 days. See the full rotation table, plus when to sleep and when to stop caffeine.

R
Roon Team
September 28, 2026·10 min read
#sleep+2
Is Monster Bad for You? What Is in the Can
Energy

Is Monster Bad for You? What Is in the Can

One 16 oz Monster has 160 mg caffeine and 54 g added sugar, 108% of the daily value. Here is each ingredient against FDA and AHA limits.

R
Roon Team
September 28, 2026·10 min read
#caffeine+2
Cold Brew Ratio: Coffee to Water for Any Batch Size
Energy

Cold Brew Ratio: Coffee to Water for Any Batch Size

The cold brew ratio is 1:4 to 1:5 by weight for concentrate and 1:8 for ready to drink. Batch table in grams, ounces and cups, plus maker manuals.

R
Roon Team
September 28, 2026·10 min read
#coffee+2
Crashing Out Meaning: The Slang and Where It Came From
Focus

Crashing Out Meaning: The Slang and Where It Came From

Crashing out means losing emotional control, suddenly and hard. Here is the origin, real examples, and why tired, overstimulated people crash out more.

R
Roon Team
September 28, 2026·10 min read
#burnout+3
Is 300 mg of Caffeine a Lot? The One-Can Dose, Explained
Science

Is 300 mg of Caffeine a Lot? The One-Can Dose, Explained

300 mg of caffeine is 75% of the FDA's 400 mg daily figure and the dose in one Bang, Reign or C4 Ultimate can. Who it is a lot for, and how long it lasts.

R
Roon Team
September 27, 2026·9 min read
+2
FRE Pouches Review: Strengths, Flavors and Price
Alternatives

FRE Pouches Review: Strengths, Flavors and Price

FRE nicotine pouches reviewed from the label: five strengths from 3 to 15 mg, 11 flavors, 20 pouches a tin, $5.29 a can, and where FRE stands with FDA.

R
Roon Team
September 27, 2026·10 min read
+2
The Yips: What Causes Them and What Helps
Focus

The Yips: What Causes Them and What Helps

The yips are a sudden loss of a fine motor skill you already own. What the Mayo Clinic research found, what fixes have evidence, and where caffeine fits.

R
Roon Team
September 27, 2026·8 min read
+2
Does Mountain Dew Have Caffeine? Every Flavor and Size
Energy

Does Mountain Dew Have Caffeine? Every Flavor and Size

Yes. Mountain Dew has 54 mg of caffeine per 12 oz can, Baja Blast 59 mg, Zero Sugar 68 mg. Every flavor and bottle size, from PepsiCo's own data.

R
Roon Team
September 27, 2026·9 min read
+2
Brown Noise vs White Noise: Which Helps You Focus?
Focus

Brown Noise vs White Noise: Which Helps You Focus?

Brown noise vs white noise, compared by sound, evidence and volume. What a 13-study meta-analysis found, who noise helps, and how to test it yourself.

R
Roon Team
September 27, 2026·9 min read
#focus+2
2-2-3 Schedule: How It Works and When to Sleep
Wellness

2-2-3 Schedule: How It Works and When to Sleep

The 2-2-3 schedule means 12-hour shifts: 2 on, 2 off, 3 on, then the reverse. See the 14-day table plus a sleep and caffeine plan for days and nights.

R
Roon Team
September 26, 2026·10 min read
+3
Does Lemon Water Break a Fast? It Depends on the Goal
Wellness

Does Lemon Water Break a Fast? It Depends on the Goal

A squeeze of lemon adds about 3 calories, so it will not break a weight or keto fast. It does break a blood test fast and a religious fast. Goal by goal.

R
Roon Team
September 26, 2026·9 min read
+2
Feynman Technique: How to Use It, Step by Step
Focus

Feynman Technique: How to Use It, Step by Step

The Feynman Technique in four steps: pick a concept, explain it simply from memory, find the gaps, then refine. Worked example and the research behind it.

R
Roon Team
September 26, 2026·10 min read
+3