
Most of us blame burnout or stress when we can’t focus at work. But growing evidence suggests that the real reason behind that foggy, distracted feeling might not be your workload – it could be your nutrition.
“68% percent of workers report daily fatigue, even with enough sleep,” says Maria AbiHanna, nutrition expert at Food Label Maker. “That tells us it’s not just stress; it’s often what people eat. Coffee might mask the symptoms, but without stable blood sugar, hydration, and protein, your brain can’t function at full capacity.”
Here’s what Food Label Maker experts recommend doing to sharpen your focus and beat brain fog at work.
1. Eating for Focus, Not Just Convenience
One mistake people make is choosing what’s fast, not what’s functional. A granola bar, fruit smoothie, or flavored oatmeal might seem healthy—but these options are often high in sugar and low in protein, leading to a quick spike and crash.
What to do instead: Rethink what breakfast looks like. Try a boiled egg with leftover greens, Greek yogurt drizzled with olive oil and seeds, or a slice of sourdough with tahini and smoked salmon to feed your brain as well as your body.
2. You’re Eating the Same Thing Every Day
Many office workers stick to the same handful of meals—overnight oats, turkey sandwiches, salad with chicken. It’s efficient, but limits your nutrient intake, especially the brain-boosting micronutrients your body relies on for focus and memory.
What to do instead: Switch up your greens, fruits, grains, and proteins throughout the week. Add fresh herbs, spices, and different-colored vegetables to your meals. The more diverse your plate, the better your brain performs.
3. Missing Salt When You Actually Need It
Health-conscious eaters often avoid salt, but in doing so, they sometimes tip into electrolyte imbalance. Sodium plays a key role in fluid regulation and cognitive function, especially if you’re eating mostly whole, unprocessed foods or drinking lots of water.
What to do instead: If your diet is low in processed foods, don’t fear a pinch of sea salt. You can also sip broth or mineral water. Just skip hyper-salty snacks—this is about balance, not overload.
4. Eating Too Late the Night Before
Another overlooked habit is late-night eating. Even if you’re getting enough hours of sleep, a heavy meal too close to bedtime can disrupt digestion, spike glucose, and affect how your brain recovers overnight.
What to do instead: Aim to finish dinner 2–3 hours before bed. If you’re genuinely hungry late, go for something light and blood-sugar friendly, like a banana with nut butter or a small bowl of oats.