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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.
Why Energy Gels, Like GU, Work (Your Body Is Smarter Than You Think)?
"It's just sugar." Every gel sceptic, ever. Technically yes, but so is the glycogen in your muscles right now. Here's what's actually going on when you take a GU gel mid-run, and why it works better than you'd expect.
What Is a GU Energy Gel (No, It's Not Baby Food)?
The first time most of us saw someone squeeze a mystery packet into their mouth mid-run, it looked deeply unpleasant. A bit of squinting. A slight grimace. Then they just carried on running. Faster, somehow. Here's what that stuff actually is.
