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Page 6 of 83

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.

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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.

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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
Does Ginger Ale Have Caffeine? Brand by Brand
Energy

Does Ginger Ale Have Caffeine? Brand by Brand

No. Canada Dry, Schweppes, Seagram's and Vernors ginger ale are all caffeine free. One green tea flavor has about 9 mg. Every brand, checked.

R
Roon Team
September 26, 2026·9 min read
+2
Does Oolong Tea Have Caffeine? How Much per Cup
Energy

Does Oolong Tea Have Caffeine? How Much per Cup

Yes. Brewed oolong tea has about 38 mg of caffeine per 8 oz cup by USDA data. See brand ranges, what changes the number, and how it compares to coffee.

R
Roon Team
September 26, 2026·9 min read
+2
How to Heal a Burnt Tongue From Hot Coffee
Wellness

How to Heal a Burnt Tongue From Hot Coffee

Sip something cold, skip hot, spicy and acidic food, and rinse with salt water. Most coffee burns on the tongue heal within days. Full steps inside.

R
Roon Team
September 25, 2026·10 min read
#coffee+2
Cannadips Review: CBD, Caffeine and What Is Inside
Alternatives

Cannadips Review: CBD, Caffeine and What Is Inside

Cannadips sells CBD pouches (10 or 50 mg) and a caffeine pouch called Brain Fuel. Here is what the labels say, what they leave out, and the FDA view.

R
Roon Team
September 25, 2026·10 min read
+2
French Press Ratio: Coffee to Water by Press Size
Energy

French Press Ratio: Coffee to Water by Press Size

The standard French press ratio is 1:15, or 1 g of coffee per 15 g of water. See grams and tablespoons for 12, 17, 34 and 51 oz presses.

R
Roon Team
September 25, 2026·8 min read
+2
Does Fanta Have Caffeine? Every US Flavor Checked
Energy

Does Fanta Have Caffeine? Every US Flavor Checked

No. Every Fanta flavor sold in the US has 0 mg of caffeine, including Orange and Zero Sugar. See the full flavor table and which orange soda does.

R
Roon Team
September 25, 2026·8 min read
+2
Is Red Bull Bad for You? Every Ingredient, Checked
Energy

Is Red Bull Bad for You? Every Ingredient, Checked

One 8.4 oz Red Bull has 80 mg caffeine and 27 g sugar. See each ingredient measured against FDA and AHA limits, plus who should skip it.

R
Roon Team
September 25, 2026·10 min read
#caffeine+2
Highway Hypnosis: What It Is and How to Break It
Focus

Highway Hypnosis: What It Is and How to Break It

Highway hypnosis is driving for miles with no memory of it. Why monotony causes it, how to tell it from drowsy driving, and the only fixes that work.

R
Roon Team
September 24, 2026·12 min read
+2
Does Chewing Gum Help Your Jawline? What Studies Show
Wellness

Does Chewing Gum Help Your Jawline? What Studies Show

A 6-month trial found gum chewing raised bite force but did not change masseter thickness or jaw shape. What chewing does, and what it costs your jaw.

R
Roon Team
September 24, 2026·9 min read
+2
DuPont Schedule: How It Works and How to Sleep on It
Wellness

DuPont Schedule: How It Works and How to Sleep on It

The DuPont schedule is a 28-day rotation of 12-hour days and nights with a 7-day break. The full table, plus when to sleep and when to stop caffeine.

R
Roon Team
September 24, 2026·8 min read
#sleep+2
Outlaw Dip Review: What Is in the Can, Including 6MN
Alternatives

Outlaw Dip Review: What Is in the Can, Including 6MN

Outlaw Dip sells tobacco-free black tea dip labeled nicotine-free. Its ingredient list starts with 6MN. What that is, the full lineup, and prices.

R
Roon Team
September 24, 2026·8 min read
+2
Does Poppi Have Caffeine? All 18 Flavors, Checked
Energy

Does Poppi Have Caffeine? All 18 Flavors, Checked

Four Poppi flavors have caffeine: Classic Cola, Doc Pop and Cherry Cola at 40 mg, Alpine Blast at 55 mg. The other 14 list none. Full table inside.

R
Roon Team
September 24, 2026·9 min read
+2
Is 200 mg of Caffeine a Lot? One Dose vs One Day
Science

Is 200 mg of Caffeine a Lot? One Dose vs One Day

200 mg of caffeine is half the FDA's 400 mg daily figure and a full single dose for an adult. Who it is a lot for, what has it, and how long it lasts.

R
Roon Team
September 23, 2026·10 min read
+2
Buck Fever: Why It Happens and How to Steady Your Shot
Focus

Buck Fever: Why It Happens and How to Steady Your Shot

Buck fever is an adrenaline surge that shakes your hands and scrambles your shot routine. What happens in your body and what steadies it in the stand.

R
Roon Team
September 23, 2026·10 min read
+2
Does Dr Pepper Have Caffeine? Every Version Compared
Energy

Does Dr Pepper Have Caffeine? Every Version Compared

Yes. A 12 fl oz Dr Pepper has about 41 mg of caffeine, and Diet and Zero Sugar have the same. Every flavor and bottle size, sourced to Keurig Dr Pepper.

R
Roon Team
September 23, 2026·10 min read
+2
How Much Caffeine Is in Red Bull? Every Can Size
Energy

How Much Caffeine Is in Red Bull? Every Can Size

An 8.4 fl oz Red Bull has 80 mg of caffeine. The 12 oz has 114 mg, the 16 oz 151 mg and the 20 oz 198 mg. Every size and line, sourced to Red Bull.

R
Roon Team
September 23, 2026·9 min read
+2
Update Energy Drink Review: 300 mg Paraxanthine, Examined
Energy

Update Energy Drink Review: 300 mg Paraxanthine, Examined

Update energy drink has no caffeine and 300 mg of paraxanthine per 12 oz can. What the label lists, what the studies show, the price, and what is unknown.

R
Roon Team
September 23, 2026·10 min read
+2