You’re tired all the time. Your workouts feel heavy. Your brain is foggy by 2 p.m. And no matter how much you try to push through, you just don’t feel like yourself.
Most people assume this kind of fatigue must be hormonal, age-related, or something deeper.
And sometimes it is.
But more often than not? You’re just underfed.
If you’re training hard, balancing work and life, and trying to eat “clean” or “healthy,” you might not be giving your body the fuel it actually needs to function at its best.
Let’s break down what that looks like—and what to do about it.
Why Under-Eating Is So Common (Especially in CrossFit)
This might surprise you, but most CrossFitters—especially women—aren’t intentionally under-eating. It just kind of happens.
Here’s why:
- Early morning workouts + no time for breakfast
- Long-term dieting or “eating clean” = low calories by default
- Busy days = skipped meals or small snacks on the go
- Tracking macros without adjusting for increased training volume or stress
- High stress = suppressed appetite = still pushing hard in the gym anyway
We confuse low appetite with needing less food. But often, your body is so stressed it can’t send clear hunger cues.
What Happens When You Chronically Under-Eat
You might think you’re doing everything right: eating clean, working out, keeping portions small.
But over time, under-eating can lead to:
- Slower metabolism and poor recovery
- Brain fog, irritability, or low motivation
- Cravings (especially at night)
- Disrupted sleep (waking up between 2-3 a.m.)
- Plateaued strength or performance in the gym
- Hormonal shifts: irregular cycles, low libido, fatigue
Your body adapts to protect you. That means turning down energy output, shifting hormone production, and holding on to fat instead of burning it.
Signs You Might Be Under-Fueled, Not Just Tired
Not sure if this is you? Here are a few red flags:
- Skipping pre-workout fuel or breakfast, then training hard
- Needing caffeine to get through the day
- Constant afternoon crashes
- Feeling tired but wired at night
- Gaining fat despite training and eating clean
- Poor sleep or waking up hungry in the middle of the night
- Binge or snacky eating after dinner
This isn’t about eating too much. It’s about your body not getting enough of the right things.
How to Start Fueling for Energy (Without Tracking Everything)
You don’t need to overhaul your whole life. You just need to start eating in a way that supports your lifestyle and training.
Start here:
- Eat consistently: 3 solid meals per day plus snacks if needed
- Include protein, carbs, and fat at meals (not just salad + chicken)
- Fuel your workouts:
- Before = quick carbs + protein (fruit, yogurt, toast)
- After = protein + carbs (rice, oats, smoothie, etc.)
- Add carbs back in if you’ve cut them too low
- Bring back snacks: A simple snack in the afternoon can shift everything
This isn’t about tracking every gram. It’s about reconnecting with your body and rebuilding trust.
Client Shift: From Dragging to Energized
One of my clients was constantly fatigued. She chalked it up to work stress and parenting. But once we looked at her intake, it was clear: she was running on fumes.
We added breakfast. We brought back carbs. We prioritized recovery meals. And within weeks, her energy came back. She felt strong again. Clear-headed. Confident.
Fueling better didn’t feel like a burden. It felt like freedom.
How I Help Clients Rebuild Energy Through Food
As a registered dietitian, I help you:
- Rebuild your meals so they support your training and your lifestyle
- Remove the guilt and confusion around “eating more”
- Create structure without obsessing
- Adjust intake based on your stress, sleep, cycle, and recovery
You don’t need to guess. You need a plan that supports the effort you’re already putting in.
Let’s rebuild your energy—without overhauling your life.
If you’re tired of being tired, fill out this form. I’ll follow up by email to learn more about your goals and guide you to the nutrition coaching option that fits best.
You don’t need to keep running on empty. Let’s get your energy (and strength) back.
