train smarter

eat with purpose

recover on purpose

train smarter

eat with purpose

recover on purpose

train smarter

eat with purpose

recover on purpose

train smarter

eat with purpose

recover on purpose

train smarter

eat with purpose

recover on purpose

train smarter

eat with purpose

recover on purpose

train smarter

eat with purpose

recover on purpose

train smarter

eat with purpose

recover on purpose

train smarter

eat with purpose

recover on purpose

train smarter

eat with purpose

recover on purpose

Tyler Brooks, MS Exercise Science

Performance Editor — Tyler Brooks holds a Master's in Exercise Science and edits Peak Form Journal's performance and nutrition coverage. He specializes in cardiovascular performance and VO2 max optimization, and runs the numbers behind every performance claim that makes it onto the site — supplement marketing included. If a claim doesn't survive contact with the underlying study, it doesn't run.

Altitude Training Benefits Without the Mountain

Altitude Training Benefits Without the Mountain

Altitude tents, masks, and simulated environments — do any of them replicate the effects of training at elevation? The evidence is mixed.

The Anabolic Window Is Mostly a Myth

The Anabolic Window Is Mostly a Myth

You do not need to drink a protein shake within 30 minutes of your last set. The real window is much wider.

The Complete Weekly Meal Prep for Strength Athletes

The Complete Weekly Meal Prep for Strength Athletes

A full seven-day meal plan with macros, shopping lists, and batch cooking strategy for lifters who want to eat well without living in the kitchen.

The Single Best Exercise for Each Major Muscle Group

The Single Best Exercise for Each Major Muscle Group

If you could only pick one movement per muscle group, these are the ones backed by EMG data and long-term results.

The Best Protein Bars That Aren't Candy in Disguise

The Best Protein Bars That Aren't Candy in Disguise

We lab-tested 20 protein bars for actual protein content, sugar alcohols, and amino acid profiles. Half failed to match their labels.

Body Composition: Beyond the Scale

Body Composition: Beyond the Scale

Your weight tells you almost nothing about your fitness. Here are the metrics that actually matter and how to measure them.

Caffeine and Performance: Dose, Timing, Tolerance

Caffeine and Performance: Dose, Timing, Tolerance

Caffeine improves performance in nearly every study — but dose, timing, and habitual use change the magnitude of the effect.

Creatine: The Most Studied Supplement in Sports

Creatine: The Most Studied Supplement in Sports

Over 500 studies. Consistent results. No meaningful side effects. Creatine is the closest thing to a free lunch in supplementation.

Electrolyte Drinks Ranked by What's Inside

Electrolyte Drinks Ranked by What's Inside

Most electrolyte drinks are sugar water with a pinch of salt. We ranked 15 by sodium, potassium, magnesium, and sugar content.

Heart Rate Zones: Train Smarter, Not Harder

Heart Rate Zones: Train Smarter, Not Harder

Five zones, each with a specific physiological purpose. Training in the wrong one wastes time. Here is how to use them.

10 High-Protein Breakfasts That Take Under 15 Minutes

10 High-Protein Breakfasts That Take Under 15 Minutes

Practical breakfast options between 30 and 50 grams of protein that you can make before work. Tested for taste, prep time, and whether you actually feel full until lunch.

HIIT vs. Steady-State: What the Latest Meta-Analysis Says

HIIT vs. Steady-State: What the Latest Meta-Analysis Says

The debate is settled — mostly. A 2026 meta-analysis of 54 studies clarifies when each approach wins.

How Much Water You Actually Need During Exercise

How Much Water You Actually Need During Exercise

The old rule of 8 glasses a day is arbitrary. Here is how to calculate your actual hydration needs based on sweat rate.

7 Hydration Myths That Refuse to Die

7 Hydration Myths That Refuse to Die

Clear yellow urine, eight glasses a day, caffeine dehydrates you — the hydration advice most athletes follow is decades out of date.

Meal Prep for Athletes: A Week in 90 Minutes

Meal Prep for Athletes: A Week in 90 Minutes

Most nutrition fails are logistics problems, not knowledge problems. Here is how to prep a week of performance meals in under two hours.

The Science of Mental Toughness

The Science of Mental Toughness

Mental toughness is not a personality trait — it is a set of trainable cognitive skills. Here is what the research says about building it.

Pre-Workout Nutrition: Timing, Macros, and Myths

Pre-Workout Nutrition: Timing, Macros, and Myths

What you eat before training matters less than when you eat it. And most pre-workout supplements are overpriced caffeine.

Pre-Workout Supplements: The Science Behind Every Ingredient

Pre-Workout Supplements: The Science Behind Every Ingredient

Caffeine, beta-alanine, citrulline, betaine — which pre-workout ingredients actually work, at what doses, and which ones are marketing noise?

Sauna for Recovery: What Finnish Research Shows

Sauna for Recovery: What Finnish Research Shows

A 20-year study of 2,315 Finnish men found that frequent sauna use reduced all-cause mortality by 40%. The mechanism is not what you expect.

VO2 Max: What It Means and How to Improve It

VO2 Max: What It Means and How to Improve It

VO2 max is the single best predictor of cardiovascular fitness and longevity. Here is what your number means and how to raise it.

Zone 2 Training: Why Elite Athletes Go Slow

Zone 2 Training: Why Elite Athletes Go Slow

Eighty percent of elite endurance training happens at an intensity most gym-goers would consider too easy. That is the point.