Free U.S. shipping on orders $45+ · Subscribe & save

The Journal

Tag

#energy

Sustained energy without crashes, the holy grail of stimulant use.

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.

R
Roon Team
August 31, 2026·9 min read
#caffeine#energy
How to Stop Feeling Tired After Eating: Meal Size, Walk Timing, and the Caffeine Window
Focus

How to Stop Feeling Tired After Eating: Meal Size, Walk Timing, and the Caffeine Window

Meal size, walk timing, and caffeine window strategies backed by real studies for stopping the post-meal energy crash before it starts.

R
Roon Team
August 31, 2026·9 min read
#energy
How to Wake Up Easily in the Morning: A 10-Minute Sequence That Beats Sleep Inertia
Focus

How to Wake Up Easily in the Morning: A 10-Minute Sequence That Beats Sleep Inertia

A 10-minute, study-backed sequence for beating sleep inertia: light first, then movement, then caffeine timed to when it actually starts working.

R
Roon Team
August 28, 2026·8 min read
#energy
How to Wake Up Early Without Feeling Wrecked (Even If You Slept Late)
Focus

How to Wake Up Early Without Feeling Wrecked (Even If You Slept Late)

A sleep-debt and sleep-inertia based plan for waking up early, even after a late night, using light timing, movement, and smarter caffeine timing.

R
Roon Team
August 26, 2026·8 min read
#energy
How Long Does Pre-Workout Last? Kick-In, Peak, and Wear-Off by Ingredient
Energy

How Long Does Pre-Workout Last? Kick-In, Peak, and Wear-Off by Ingredient

Pre-workout kicks in within 15-45 minutes and feels strongest for 1-3 hours, but caffeine's 5-hour half-life means it lingers longer than you feel it.

R
Roon Team
August 25, 2026·9 min read
#energy
TeaCrine vs Creatine: Two Completely Different Supplements
Nootropics

TeaCrine vs Creatine: Two Completely Different Supplements

TeaCrine and creatine are unrelated compounds. Here is what each one is, what each is actually for, and why the names get confused.

R
Roon Team
August 19, 2026·12 min read
#theacrine (teacrine®)#caffeine#energy
Why Dynamine Feels Like Nothing: 5 Reasons You Felt No Effect
Nootropics

Why Dynamine Feels Like Nothing: 5 Reasons You Felt No Effect

Took Dynamine and felt nothing? Five measurable reasons it happens, from caffeine tolerance to a half-life shorter than most people expect.

R
Roon Team
August 19, 2026·11 min read
#methylliberine (dynamine®)#caffeine#energy
Dynamine vs Caffeine: Onset, Duration, and What the Studies Show
Nootropics

Dynamine vs Caffeine: Onset, Duration, and What the Studies Show

How Dynamine (methylliberine) differs from caffeine: measured onset, a half-life roughly four times shorter, and what the trials found.

R
Roon Team
August 18, 2026·11 min read
#methylliberine (dynamine®)#caffeine#energy
What Is Theacrine? The TeaCrine Ingredient, Explained
Nootropics

What Is Theacrine? The TeaCrine Ingredient, Explained

Theacrine, sold as TeaCrine, explained: what it is, where it comes from, how long it lasts, and what the human studies actually show.

R
Roon Team
August 18, 2026·13 min read
#theacrine (teacrine®)#caffeine#energy
Why "Smooth Energy" Is What People Actually Want
Energy

Why "Smooth Energy" Is What People Actually Want

Over half of energy drink users report jitters or sleep problems. The real data on why people want smooth, not stronger, energy.

R
Roon Team
August 7, 2026·10 min read
#energy#caffeine
How to Avoid Caffeine Tolerance Before Finals Week
Energy

How to Avoid Caffeine Tolerance Before Finals Week

Sports-science tapering protocols, adapted for finals week or a big presentation. How to keep caffeine working when you need it most.

R
Roon Team
August 7, 2026·10 min read
#energy#caffeine
Caffeine for Boxing and MMA: Focus vs. Hype
Energy

Caffeine for Boxing and MMA: Focus vs. Hype

A study found caffeine did not improve MMA punch force. Here's what the research actually supports for boxers and fighters instead.

R
Roon Team
August 6, 2026·10 min read
#athletes#energy+1
Caffeine Timing for Powerlifting: The Pre-Lift Ritual
Energy

Caffeine Timing for Powerlifting: The Pre-Lift Ritual

What the research actually says about caffeine timing for powerlifting, and why a multi-attempt meet day is a duration problem.

R
Roon Team
August 6, 2026·11 min read
#athletes#energy+1
The CrossFit Pre-WOD Focus Routine
Energy

The CrossFit Pre-WOD Focus Routine

CrossFit's focus demand is different from a normal lift. Here's how to time caffeine so it lasts the whole class, not just the WOD.

R
Roon Team
August 6, 2026·10 min read
#athletes#energy+1
Why Runners and Cyclists Are Already Using Caffeine Pouches
Energy

Why Runners and Cyclists Are Already Using Caffeine Pouches

Why endurance athletes are already using caffeine pouches like CAFFYNE, and how cycling adds a hands-free case running alone doesn't.

R
Roon Team
August 6, 2026·12 min read
#athletes#energy#pouches+2
The Pre-Trip Checklist That Actually Prevents Drowsy Driving
Energy

The Pre-Trip Checklist That Actually Prevents Drowsy Driving

A pre-trip checklist for preventing drowsy driving: sleep banking, driver rotation, and departure timing, backed by real AAA and NHTSA data.

R
Roon Team
August 5, 2026·12 min read
#energy+1
Staying Sharp Through a 10-Hour Warehouse Shift Without Burning Out
Energy

Staying Sharp Through a 10-Hour Warehouse Shift Without Burning Out

Why warehouse and fulfillment shift fatigue compounds physical and cognitive strain, and what actually helps across a long, rate-tracked shift.

R
Roon Team
August 5, 2026·12 min read
#energy+1
How Overnight Security Guards Stay Alert Through a Graveyard Shift
Energy

How Overnight Security Guards Stay Alert Through a Graveyard Shift

The vigilance-decrement science behind overnight security fatigue, and a practical caffeine and light-exposure plan for staying sharp on a quiet post.

R
Roon Team
August 5, 2026·10 min read
#energy+1
How Rideshare and Delivery Drivers Stay Sharp on Long Shifts Without Crashing
Energy

How Rideshare and Delivery Drivers Stay Sharp on Long Shifts Without Crashing

How rideshare and delivery drivers manage fatigue on long shifts: real drowsy-driving risk data and a practical alertness plan for gig drivers.

R
Roon Team
August 5, 2026·10 min read
#energy+1
How Night Shift Nurses Stay Alert Without the 3 A.M. Crash
Energy

How Night Shift Nurses Stay Alert Without the 3 A.M. Crash

Why night shift nurse fatigue peaks near 3 AM, what NIOSH and the ANA recommend, and a caffeine-timing plan built for 12-hour hospital shifts.

R
Roon Team
August 5, 2026·12 min read
#energy+1
Does Coke Zero Have Caffeine? The Exact Amount, Explained
Energy

Does Coke Zero Have Caffeine? The Exact Amount, Explained

Yes, Coke Zero has caffeine, 34mg per 12oz can. See how it compares to Diet Coke, regular Coke, and coffee, and what it means for your daily intake.

R
Roon Team
July 31, 2026·11 min read
#energy#caffeine
How Much Caffeine Is in a Cup of Coffee? The Real Numbers, by Brew and Cup Size
Energy

How Much Caffeine Is in a Cup of Coffee? The Real Numbers, by Brew and Cup Size

Find out exactly how much caffeine is in a cup of coffee by brew method, cup size, and roast. Real numbers from 70mg to 300mg+.

R
Roon Team
July 31, 2026·12 min read
#energy#caffeine
Is Celsius Bad for You? An Honest Ingredient Breakdown
Energy

Is Celsius Bad for You? An Honest Ingredient Breakdown

Is Celsius bad for you? We break down every ingredient, caffeine, guarana, taurine, and reveal who should actually be careful before drinking it.

R
Roon Team
July 25, 2026·12 min read
#energy
Thiamine (B1) and Brain Energy
Science

Thiamine (B1) and Brain Energy

Discover how thiamine (B1) converts glucose into brain fuel, why low B1 causes brain fog, and who's at risk for thiamine deficiency affecting cognition.

R
Roon Team
July 3, 2026·11 min read
+3