The Athlete’s Blog

Caffeine and Endurance Running: What It Actually Does and When to Use It

Caffeine and Endurance Running: What It Actually Does and When to Use It

Caffeine shows up in a lot of endurance products, but most runners are using it without much of a plan. Here's what the research actually says about dose, timing, and tolerance.

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When to Take a GU Energy Gel (Before You're Already Crawling)? - Fuel First

When to Take a GU Energy Gel (Before You're Already Crawling)?

You've got the gels. You know what they do. Now comes the part where most people still get it wrong. They wait. And wait. Then eat three in a row at kilometre 28 and wonder why they feel sick. Here's how to actually time it.

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