“I need a coffee for energy.”

How many times have you said that?

Here’s the interesting thing…

Coffee doesn’t actually give your body energy.

The energy your body uses to move, think, train and function comes from the food you eat – particularly carbohydrates and fats.

So why does coffee make us feel more awake?

Caffeine works by blocking a chemical in your brain called adenosine.

Throughout the day, adenosine builds up in your brain and makes you feel increasingly tired. It’s your body’s way of saying, “You’ve been awake long enough, it’s time to rest.”

When you drink caffeine, it blocks those signals from reaching your brain.

You’re not suddenly creating more energy.

You’re simply feeling less tired.

Think of it like putting a piece of tape over your car’s fuel warning light.

The light disappears…

But you haven’t magically put more fuel in the tank.

The tank is still just as empty.

So where does your actual energy come from?

From the food you eat.

Carbohydrates are your body’s preferred fuel source, particularly during exercise. They’re broken down into glucose, which your body uses for energy immediately or stores as glycogen in your muscles and liver to use later.

If you’ve ever tried training after skipping meals all day, you’ll probably know exactly what that feels like.

You can have the strongest coffee in the world, but if your fuel tank is empty, your performance is still likely to suffer.

That’s not to say caffeine is bad.

Far from it.

It can improve alertness, concentration and even exercise performance when used appropriately.

The key is using it as a tool, not as a replacement for sleep, food and recovery.

If you’re relying on multiple coffees just to get through the day, it might be worth asking yourself:

• Am I eating enough?
• Am I sleeping enough?
• Am I drinking enough water?
• Am I simply masking tiredness rather than addressing the cause?

A balanced diet, enough sleep and good hydration will always do more for your energy levels than another coffee.

Coffee can enhance your performance.

It can’t replace the foundations.

Erin Grant
Head of Gyms | MNU Certified Nutritionist