Feeling Mentally Drained? 6 Natural Ways to Support Brain Energy
From glucose metabolism to nutrients like citicoline, explore how the brain creates and sustains mental energy.
The brain requires a continuous supply of energy to support cognitive function. Glucose is its primary fuel source, while processes within brain cells convert that fuel into usable energy. Sleep, physical activity, nutrition, and nutrients involved in brain energy metabolism, including citicoline, can help support these processes.
The brain is one of the body’s most energy-demanding organs. Even during everyday activities like reading, learning, or following a conversation, brain cells need energy to process information and communicate.
Several everyday factors can help support the way the brain produces and uses energy. From sleep and physical activity to nutrition and specific nutrients, each connects to brain energy in a different way.
6 Natural Ways to Support Brain Energy
Supporting brain energy involves several everyday factors, including nutrition, sleep, physical activity, and nutrients involved in energy metabolism. Each supports brain function in a different way.
1. Fuel Your Mind with Steady Nutrition
Your brain requires a steady supply of energy to support its daily functions, making the nutrients supplied through the diet an important part of normal brain energy metabolism.
Glucose is the brain’s primary energy source. Once glucose enters brain cells, it is converted into adenosine triphosphate (ATP), a molecule cells use for energy. ATP supports energy-dependent processes throughout the brain, including those involved in neuronal communication and neurotransmitter activity.4,5
A balanced diet provides carbohydrates along with proteins, fats, vitamins, minerals, and other nutrients involved in normal brain function.3
2. Give Your Brain Time to Recharge
Sleep gives your brain the chance to recover and rebuild the energy it uses throughout the day. During deep sleep, it clears away the toxic buildup from daily mental activity and resets the systems that support focus and memory. Even one night of poor sleep can make it harder to concentrate, process information, and react quickl.6
Aim for 7 to 9 hours of consistent, high-quality rest. Going to bed and waking up at similar times each day helps your body maintain a natural sleep rhythm. Reducing screen time before bed supports the release of melatonin, the hormone that signals it’s time to sleep. With steady rest, your brain can recover fully and be ready to perform the next day.
3. Move for Mental Energy
Physical activity doesn’t just benefit the body; it energizes the mind. Exercise boosts circulation, supporting the steady flow of oxygen and nutrients that keep brain cells functioning. Regular movement also supports the release of neurotransmitters that help regulate mood and motivation, which is why even short bursts of activity can help you feel more alert.7,8
Even gentle activity can make a noticeable difference. A few minutes of movement, whether it’s walking, stretching, or taking the stairs, supports healthy circulation and helps support cognition.
4. Manage Stress Before It Depletes You
Prolonged stress puts extra demand on your brain and body, using up glucose and oxygen faster than they can be restored. When cortisol stays elevated for too long, your system stays on high alert, and your brain has to work harder just to keep up. Over time, that strain can leave you feeling foggy, unfocused, and mentally drained.9,10
Even brief moments of calm can help your brain recover. A few deep breaths, a short walk, or time away from your screen allows your body to reset and your mind to catch up. Over time, making space for these small pauses builds resilience, helping you manage stress more easily and protect your energy in the long run.
5. Support Cellular Energy with Key Nutrients
Just as stress and poor sleep can drain mental energy, the right nutrients can help rebuild it. Your brain’s billions of neurons depend on steady cellular activity to produce and use energy efficiently. Nutrients such as B-vitamins, omega-3 fatty acids, and antioxidants play vital roles in this process, supporting metabolism, healthy blood flow, and protection against oxidative stress.11,12
One nutrient that stands out is citicoline, a compound that supports how brain cells produce and use energy. Cognizin® citicoline is a clinically studied form shown to support mental energy, focus, and long-term brain health. Research suggests it supports the brain’s natural production of ATP (the molecule that fuels cellular energy), as well as maintaining healthy neurotransmitter levels and phospholipid metabolism. Together, these functions help brain cells work efficiently and stay resilient under daily mental demands.13,14
When your brain’s cells have the nutrients they need, they can work more efficiently, helping you stay focused, productive, and mentally energized throughout the day.
6. Build in Recovery Moments Throughout the Day
Your brain isn’t built to operate at full speed without pause. Mental energy naturally ebbs and flows, which is why short breaks are essential for maintaining concentration, focus, and creativity. Stepping away for a few minutes allows your brain to consolidate information, reset attention, and restore the energy it uses when you’re concentrating.15,16
Even a short pause can make a difference. Step outside, stretch, take a few deep breaths, or simply let your mind wander. These small moments of recovery help you return to your work with clearer thinking and steadier energy.
Your brain works hard for you every day, using energy to think, focus, and stay balanced. With steady nutrition, restorative rest, movement, and mindful breaks, you can help sustain that energy and keep your mind performing at its best.
Have more questions about brain energy? Here are a few quick answers.
How much energy does the brain use?
The brain uses about 20 percent of the body’s total energy supply each day, even when you’re at rest.1
What gives the brain energy?
The brain relies primarily on glucose for fuel. Complex carbohydrates, balanced meals, and nutrients help support how that energy is produced and used.3,4
Is citicoline good for mental energy?
Yes. Studies show that citicoline supports mental energy and focus by helping brain cells produce and use energy efficiently.14,17
1Balasubramanian V. Brain power. Proc Natl Acad Sci U S A. 2021 Aug 10;118(32):e2107022118.
2Hirotsu C, et al. Interactions between sleep, stress, and metabolism: From physiological to pathological conditions. Sleep Sci. 2015 Nov;8(3):143-52.
3Tardy AL, et al. Vitamins and Minerals for Energy, Fatigue and Cognition: A Narrative Review of the Biochemical and Clinical Evidence. Nutrients. 2020 Jan 16;12(1):228.
4Arshad MT, et al. Role of Dietary Carbohydrates in Cognitive Function: A Review. Food Sci Nutr. 2025 Jul 1;13(7):e70516.
5Mergenthaler P, et al. Sugar for the brain: the role of glucose in physiological and pathological brain function. Trends Neurosci. 2013 Oct;36(10):587-97.
6Eugene AR, Masiak J. The Neuroprotective Aspects of Sleep. MEDtube Sci. 2015 Mar;3(1):35-40.
7Di Liegro CM, et al. Physical Activity and Brain Health. Genes (Basel). 2019 Sep 17;10(9):720.
8Hossain MN, et al. The impact of exercise on depression: how moving makes your brain and body feel better. Phys Act Nutr. 2024 Jun;28(2):43-51.
9van der Kooij MA. The impact of chronic stress on energy metabolism. Mol Cell Neurosci. 2020 Sep;107:103525.
10Knezevic E, et al. The Role of Cortisol in Chronic Stress, Neurodegenerative Diseases, and Psychological Disorders. Cells. 2023 Nov 29;12(23):2726.
11Gómez-Pinilla F. Brain foods: the effects of nutrients on brain function. Nat Rev Neurosci. 2008 Jul;9(7):568-78.
12Lee KH, et al. Neuroprotective Effect of Antioxidants in the Brain. Int J Mol Sci. 2020 Sep 28;21(19):7152.
13Babb SM, et al. Chronic citicoline increases phosphodiesters in the brains of healthy older subjects: an in vivo phosphorus magnetic resonance spectroscopy study. Psychopharmacology (Berl). 2002 May; 161(3):248-54.
14Silveri MM, et al. Citicoline enhances frontal lobe bioenergetics as measured by phosphorus magnetic resonance spectroscopy. NMR Biomed. 2008 Nov; 21(10):1066-75.
15Weir K. Give me a break. Monitor on Psychology. 2019 Jan;50(1):40. Available from: https://www.apa.org/monitor/2019/01/break.
16National Institutes of Health (NIH). Study shows how taking short breaks may help our brains learn new skills. NIH News Release. 2021 Dec 15. Available from: https://www.nih.gov/news-events/news-releases/study-shows-how-taking-short-breaks-may-help-our-brains-learn-new-skills.
17McGlade E, et al. Improved Attentional Performance Following Citicoline Administration in Healthy Adult Women. Food Sci. Nutr. 2012 Jun; 3(6): 769-773.
