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Coach Gareth
Fuel and food are different jobs — both start with what your gut will actually take
Nutrition

Gut health and the microbiome

As an endurance athlete you know full well to get enough food and fuel into your body to support your athletic energy requirements, but what many athletes fail to focus on is the quality of what they consume and also how well the foods that they do consume are absorbed and utilized.

Enough is not the same as absorbed

As an endurance athlete you know full well to get enough food and fuel into your body to support your athletic energy requirements, but what many athletes fail to focus on is the quality of what they consume and also how well the foods that they do consume are absorbed and utilized.

Digestion is key and it all starts with the actual foods you eat and whether or not YOU can tolerate what you choose to consume.

Chewing is step one

Starting in the mouth, chewing is step one in your digestive process. Other articles of mine focus on the what, how and when of eating but this one is all about your gut microbiome.

More from the lab

A runner on a treadmill during a VO2 max test at ECLYPSE Fitness Lab in Santa Monica
Testing

What is VO2 max?

VO2 max is the maximum oxygen your body can use under load — the best-studied marker of cardiovascular fitness. How we measure it in Santa Monica.

An example of running training zones used to set genuinely easy aerobic work
Training

What is Zone 2 training?

Zone 2 is genuinely easy aerobic work, bounded by your aerobic threshold — not a formula from your age. How a lactate test sets it.

Blood lactate threshold testing on a treadmill at the Santa Monica lab
The Lab

What is lactate threshold testing?

A blood lactate test finds the intensities where your training zones actually begin and end. How the protocol works in Santa Monica.

Book a test

Stop guessing at your zones

One hour in the lab in Santa Monica, and you’ll know exactly how your body produces energy — and precisely how hard to go.

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