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Build your base
Develop endurance gradually through regular aerobic training, increasing your distance, duration or workload over time.
Endurance
Build the stamina you need to go further.
How to support endurance
Focus on habits that help you build capacity, fuel longer efforts and recover consistently between sessions.
Start with the essentials
Build your routine around protein, electrolyte balance and convenient support for longer training days.
1. Choose your protein
Support recovery with the protein format that best fits your training and routine.
Everyday recovery support
Gold Standard 100% Whey Protein Powder
Best for: Post-training recovery
A versatile protein powder to help support muscle growth and maintenance after running, cycling or longer training sessions.
- 24g of high-quality whey protein per serving
- 5.5g of naturally occurring BCAAs
- Low in sugar and less than 120 calories
Light protein alternative
Clear Protein Powder
Best for: Refreshing post-training protein
A light, juice-style protein drink that provides a refreshing alternative to a traditional creamy shake after longer sessions.
- 20g of whey protein isolate per serving
- Only 82 calories, zero sugar and fat-free
- Very low lactose and mixes easily with water
2. Maintain electrolyte balance
Replace key minerals during longer, warmer or sweatier training sessions.
Endurance session support
Electrolyte Powder
Best for: Longer and sweatier efforts
A fast-dissolving blend of key minerals designed to help maintain electrolyte balance during demanding endurance sessions.
- 400mg sodium and 113mg magnesium
- 300mg potassium and 121mg calcium
- Zero sugar and easy to mix with water
Useful additions
High-intensity support
Micronised Creatine Powder
Supports repeated bursts of short-term, high-intensity exercise* such as hills, intervals and endurance strength work.
Shop Creatine →
On-the-go protein
Bars & Ready-to-Drink Protein
Convenient protein formats for travel, event days or recovery when preparing a shake is not practical.
Shop On-the-Go Protein →
Convenient electrolyte support
Electrolytes On the Go
Portable powder sachets and ready-to-drink shots for convenient electrolyte support wherever you train.
Shop Electrolytes →¹Protein contributes to the growth and maintenance of muscle mass with regular weights resistance training. ²Magnesium contributes to electrolyte balance and the reduction of tiredness and fatigue. ³Potassium contributes to normal muscle function. â´Creatine increases physical performance in successive bursts of short-term, high-intensity exercise.
Built for the way you endure
From steady aerobic training to demanding event preparation, support activities built around pacing, stamina and consistent recovery.
Distance and pace
Running
For steady runs, interval sessions and longer-distance preparation built around pacing and consistency.
Sustained output
Cycling
For road, indoor and off-road sessions where sustained effort and efficient pacing matter.
Mixed demands
Hybrid
For events combining running, carries, obstacles and functional work across longer efforts.
Extended endurance
Long-distance
For triathlon, hiking and extended events where pacing and recovery become more important.
Fuel your Endurance Goal
How much protein do I need to hit my endurance goal?
Find out in under 60 seconds with our protein calculator.
GET YOUR DAILY PROTEIN INTAKEExplore Other Goals
Find the products and support that match the way you train.
Fuel Your Knowledge
Nutrition
Can You Build Muscle with a Plant-Based Diet? Science-Backed Insights
By Dr. Mark Evans, PhD, Optimum Nutrition, EMEA Performance Nutritionist Key Learnings Protein and muscle building: Proteins, which are composed of amino acids, serve as the building blocks requ...
Nutrition
A Beginner's Guide to Whey Protein- What, Why, When and How?
Key Learnings What is whey protein? Whey protein is a high-quality protein source derived from milk. Why does your body need whey protein? Protein is crucial for muscle repair and growth, making...
Nutrition
A Comprehensive Guide to Nutrition for Weight Gain and Bulking
By Dr. Crionna Tobin, Phd, Optimum Nutrition, Head of Nutrition & Education Key Learnings Understanding Weight Gain and Bulking. Weight gain and bulking involve intentionally increasing body...
Footnotes
¹Protein contributes to growth and maintenance of muscle mass with regular weights resistance training.
²Creatine increases physical performance in successive bursts of short-term, high intensity exercise.
