Fuel Smarter. Recover Faster. Perform Better.
Transform your fueling. Unlock your personal best.
Discover the nutrition system built for active, ageless athletes who want to run, ride, and live at their peak — without fad diets, guesswork, or burnout.
Imagine This
You finish your long run or ride feeling strong, not depleted.
Your energy stays stable all day — no bonking, no crashes.
You recover faster, sleep better, and step into every session knowing exactly how to fuel your body for performance and longevity.
That’s what happens when your nutrition finally aligns with how you train.
The Problem
Many athletes 40+ are still following incorrect nutrition advice, if they're paying attention to their nutrition at all.
They’re under-fueling, over-relying on quick fixes, and guessing what to eat before, during, and after training.
The result?
- Energy dips mid-workout
- Slower recovery
- Frustrating weight gain or loss of lean muscle
- More inflammation, more injuries, less fun
It’s not your age — it’s your strategy.
The Solution
PB Nutrition is the complete, evidence-based endurance nutrition course designed to help you:
- Fuel smarter so you can train harder without hitting the wall
- Recover faster with food that supports tissue repair and energy balance
- Perform better in every session, race, and adventure
- Age powerfully by optimizing energy, metabolism, and body composition
Built on proven sports-nutrition science — not trends.
Inside the course
Foundations of Sports Nutrition
Master energy systems, macro & micro-nutrients.
How to Eat for Health
Eat not only for performance but for maximum health benefits as well.
Hydration & Electrolytes
Meet your sodium & hydration needs to perform.
Smart Supplementation
What actually works — and what’s a waste of money.
In-Training Fueling
Nail your intake and avoid getting upset GI tract.
Pre & Post Workout Nutrition
Know what to eat before training & how to eat for maximum recovery.
Racing Weight & Body Composition
How to lose weight without sacrificing performance.
Nutrition Calculators
Easily calculate macros, hydration & caffeine intake.
bonus features
In addition to all of the above you also get:
Nutrition For Female Athletes
Specific strategies for pre-, peri-, and post-menopause.
Nutrition For 50+ Year Olds
Eat for muscle preservation, bone health & longevity.
Plant Based Diets
How to make sure you cover your bases if you follow a plant based diet.
Recipe Books
Over 300 recipes including plant based recipes to make healthy eating delicious as well as nutritious.
Bulletproof Your Gut
Help for people with IBS.
Food prep & cooking skills guides
Learn how to meal prep like a boss and improve your skills in the kitchen.
Why It Works
Short lessons
Easy to understand
Real world application
No dogma.
Just a clear, flexible approach that supports performance, health and longevity.
Real Athletes. Real Results.
❝
What a difference from taking this course. Aside from dropping weight, I never feel depleted, ride stronger and more consistent.
GB
Masters Age Cyclist
❝
With Curb’s guidance, I have improved my body composition and most importantly, I feel more energetic during my training.
MB
Boston marathon qualifier
❝
Curb had me start to fine tune my nutrition. It was great to not only did achieve, but well surpassed my race expectations!
CL
TransRockies Run finisher
Ready to Fuel Your Personal Best?
Join PB Nutrition today and learn how to:
- Eat for performance & health.
- Recover faster.
- Maintain lean muscle and energy after 40.
- Feel unstoppable in your training and everyday life.
ENROLL NOW - START FUELING SMARTER TODAY!
check out
Enroll Below
Flash Sale Nov 21-24
Only $77
Lifetime updates included
$147
Meet Your Coach
Curb Ivanic is a sports nutritionist, performance coach, and endurance expert with over 20 years of experience helping athletes train smarter and age powerfully.
He’s coached recreational and competitive athletes to new PRs, podium finishes, and lifelong strength — blending science with practical systems that fit real life.
FAQ's
Is this just for runners?
PB Nutrition works for all endurance athletes — runners, cyclists, triathletes, and anyone training for long-duration performance.
How long will it take?
Each module is 10-20 minutes, self-paced, and mobile-friendly. Most athletes finish in 1–2 weeks and start seeing results right away.
Do I keep access forever?
Yes — lifetime access plus free future updates.
Last Call!
PB Nutrition gives you the tools to fuel like an athlete — for life.
Enroll Now – Unlock Your Next PB for $147
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Email: info@corerunning.com