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THE MARCHON™ STANDARD

The MARCHON™ Standard is a set of guidelines that we have created internally that relies on external 3rd Party Testing and registered bodies to reinforce the efficacy of our products and their contents. Every supplement we create goes through a stringent development protocol to create the best supplements on the Market.

It is a promise to deliver supplements that support your health and performance without compromise. We don’t settle for mediocrity and neither should you. We believe that premium supplements should meet the highest standards of quality, efficacy, and transparency.

The Cologne List® is an independent initiative that publishes products that have been tested for banned substances by a world-leading anti-doping laboratory. Supplements on the Cologne List® have undergone rigorous testing to help ensure they are free from substances prohibited in sport.For athletes and active individuals, this provides an extra layer of trust.

Because what’s on the label should match what’s in the product. Third-party testing helps verify that: The formula contains what it claimsNo harmful contaminants are present (like heavy metals, pesticides, or microbes).

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The chocolate chip oat bar by MARCHON - the fuel bar 30The chocolate chip oat bar by MARCHON - the fuel bar 30
LATEST PRODUCT

The Fuel Bar 30

The MARCHON™ Fuel bar30 is a delicious, functional snack bar designed to fuel your training, recovery, and daily performance. Each vegan, gluten and dairy free bar delivers 30g of carbohydrates from real food sources, including oats, rice syrup, and dates, helping to fuel training sessions and replenish glycogen stores. Perfect for pre-workout, post-workout, or during endurance sessions.

LATEST PRODUCT

The Fuel Bar 30

The MARCHON™ Fuel bar30 is a delicious, functional snack bar designed to fuel your training, recovery, and daily performance. Each vegan, gluten and dairy free bar delivers 30g of carbohydrates from real food sources, including oats, rice syrup, and dates, helping to fuel training sessions and replenish glycogen stores. Perfect for pre-workout, post-workout, or during endurance sessions.

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Does protein before a workout improve strength, energy, or endurance?
ENDURANCE
TRAINING

Does protein before a workout improve strength, energy, or endurance?

Liam Holmes 30th September, 2025
Nutrient timing is a topic that continues to cause confusion in the nutrition world. The importance of protein isn’t questioned, but the timing of when to take it is. Let's...
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Avoid These Common Nutrition Errors on the Turbo Trainer

Avoid These Common Nutrition Errors on the Turbo Trainer

Liam Holmes 24th September, 2025
When bad weather drives training indoors, the turbo trainer becomes a cyclist’s best friend - but without the right nutrition, your performance can quickly stall. From hydration mistakes to fuelling...
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Fuelling Endurance: The Science Behind Choosing the Right Carbohydrate Source
ENDURANCE
SUPPLEMENTS

Fuelling Endurance: The Science Behind Choosing the Right Carbohydrate Source

Liam Holmes 6th September, 2025
Feeling confused about whether to use gels, carb drinks, chews or bars for your endurance training and races? This article breaks down the pros and cons so you can choose...
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If you do HYROX, this is why you need to take Beta-alanine

If you do HYROX, this is why you need to take Beta-alanine

Liam Holmes 3rd September, 2025
Beta-alanine is a key supplement for HYROX athletes because it enhances intramuscular buffering capacity, directly improving performance during the event’s most demanding stations. Let's dig into how best to use...
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The definitive guide to Ultra marathon nutrition - Part 3 - Supplements
ENDURANCE
NUTRITION

The definitive guide to Ultra marathon nutrition - Part 3 - Supplements

Liam Holmes 21st August, 2025
Ultramarathons place enormous physical, mental, and metabolic demands on the body. Yet most runners still under fuel, under train the gut, and misunderstand how to match nutrition to their training. This...
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The definitive Ultra marathon nutrition guide - Part 2 - Race nutrition
ENDURANCE
NUTRITION

The definitive Ultra marathon nutrition guide - Part 2 - Race nutrition

Liam Holmes 21st August, 2025
This 3 part series provides a modern, evidence-based approach to smarter fuelling for ultra-marathons. This article covers ultra marathon race nutrition. 
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