Trending Articles / Health / Brain / Cognitive Function / Mental Clarity / Focus / Nutrition
January15, 2025| By Kelley R Kirchner, DC, DABCI

Many women notice times when their thinking feels slow, memory slips happen, or focusing on daily tasks seems harder than it should. This feeling—often called brain fog—isn’t a sign that something is “wrong” with you. It’s your body sending a signal that something in your system may need support.
Brain fog is common, especially for women in midlife, but it can affect anyone. Just like with fatigue or disrupted sleep, there are many possible contributors, and understanding what’s happening is the first step toward clearer thinking.
Brain fog is rarely caused by just one thing. Some common contributors include:
This is also why fatigue deserves a thoughtful approach. Instead of chasing symptoms, it helps to slow down and look at the whole picture—how the body is functioning, how daily habits support or drain energy, and where the body may simply need more support than it’s getting right now.
Sleep issues:
Poor quality or insufficient sleep can make your brain feel slow. (See our article Why You’re Not Sleeping for more.)
Hormone changes:
Shifts in estrogen, progesterone, or cortisol can affect focus and memory.
Blood sugar fluctuations:
Drops or spikes in blood sugar may leave you feeling scattered or forgetful.
Stress and emotional load:
Chronic stress elevates cortisol and can impair focus and clarity. (See our article on Cortisol.)
Medications or underlying health conditions:
Certain medications, thyroid issues, or other medical conditions can contribute.
Because there are so many possibilities, it’s important to look at the whole picture, rather than assume one simple cause
Even though brain fog can have many contributors, there are definite steps you can take to help your mind feel clearer.
Prioritizing consistent, restorative sleep is a strong place to start, as quality sleep plays a major role in mental clarity and focus.
Establishing balanced daily routines also matters—small, steady habits around meals, movement, and regular breaks help stabilize energy throughout the day
Gentle movement and time outdoors can further support clarity by increasing blood flow to the brain and supporting overall energy.
Managing stress is equally important; brief breathing exercises, moments of mindfulness, or intentional pauses during the day can reduce mental overload.
Finally, limiting distractions by reducing multitasking, excessive screen time, and constant stimulation gives your brain the space it needs to focus. Even small, consistent changes like these can improve clarity and focus over time.
Sometimes brain fog persists despite making changes. Signs that professional guidance may be helpful include:
Persistent memory or focus issues that interfere with daily life.
Brain fog accompanied by fatigue, sleep problems, or mood changes.
Patterns that aren’t improving with lifestyle adjustments alone.
Working with a health guide can help you connect the dots between sleep, stress, routines, and other factors. Personalized guidance helps you address what’s within your control while mitigating the rest.
Even with good sleep, stress management, and daily habits, some women still notice moments of mental cloudiness. That’s normal, and it doesn’t mean you’re doing anything wrong. There are ways to gently support your brain and energy while continuing the habits that already help.
Targeted support—like supplements chosen specifically for your needs—can help fill in gaps and complement the steps you’re already taking. Working with a health guide can also help you identify patterns, create a plan that fits your life, and provide accountability and guidance as you implement those changes.

Supplements can be a helpful piece of the brain fog puzzle—especially when you’re already working on sleep, blood sugar balance, hydration, movement, and stress load.
Think of them as support tools. They don’t “fix” you, but they can help your brain feel more steady, clear, and resilient while you work on the deeper causes.
This is the category I like when someone feels mentally slower than they used to, has trouble staying sharp, or feels like their brain gets “tired” quickly—especially with age, chronic stress, or a long season of poor sleep.
This type of formula is designed to support two important systems involved in brain performance: BDNF (which supports learning, memory, and healthy brain cell communication) and NAD+ (which supports cellular energy and repair). When those systems are supported, many people notice clearer thinking, better mental stamina, and less of that scattered, “I can’t focus” feeling.
What to look for:
Look for a formula that combines a coffee fruit extract (for BDNF support) with nicotinamide riboside (NR) or a similar NAD+ precursor. Some formulas also include betaine (TMG), which supports methylation and can help the body process NR more efficiently.
Cautions:
If you’re pregnant, nursing, or managing complex medical conditions, it’s smart to check with your provider before starting NAD+ support. And as with any brain-support supplement, start low and pay attention to how you feel—more isn’t always better.
L-theanine is one of my favorite supplements for the “wired but foggy” brain fog pattern.
It supports calm alertness—meaning it can help take the edge off mental tension without making you sleepy. Many people describe it as feeling more grounded, less reactive, and better able to focus on one thing at a time. This can be especially helpful if your brain fog is tied to stress, overstimulation, or difficulty shutting your mind off.
What to look for:
L-theanine is usually taken in capsule form. It’s simple and doesn’t need complicated combinations. Some people prefer it on its own; others do well combining it with a small amount of caffeine earlier in the day for smoother focus.
Who it’s most helpful for:
People who feel anxious, distracted, overstimulated, or mentally “noisy,” especially during workdays or high-stress seasons.
Magnesium is foundational for brain clarity because it supports the nervous system, stress response, and sleep quality—all of which directly affect focus and mental sharpness.
Even if you don’t feel “stressed,” a magnesium deficit can show up as light sleep, racing thoughts at night, muscle tension, or that feeling of being mentally tired but unable to fully relax.
What to look for:
For brain fog, I typically prefer magnesium threonate (often chosen specifically for cognitive support). Magnesium citrate can be helpful too, but it’s more likely to loosen stools.
Who it’s most helpful for:
People who don’t sleep deeply, feel tense, clench their jaw, wake up unrefreshed, or feel mentally depleted by mid-afternoon.
Cautions:
If you have kidney disease, magnesium should be used only under medical guidance.
Omega-3s are one of the most practical long-term supports for mental clarity because they help support brain cell structure, healthy communication between brain cells, and balanced inflammation in the body.
When omega-3 intake is low, the brain can feel less resilient. You may notice more mood fluctuations, more mental fatigue, and less “mental stamina” during the day.
What to look for:
Choose a fish oil or algae-based omega-3 that provides meaningful amounts of EPA and DHA. Quality matters here—look for brands that test for purity and oxidation.
Who it’s most helpful for:
People who don’t eat fatty fish regularly, people with inflammatory symptoms, mood changes, or cognitive “slowness,” and anyone who wants strong foundational support.
Cautions:
If you take blood thinners or have a bleeding disorder, check with your provider first.
B vitamins matter for brain fog because they support energy production, nervous system function, and the building blocks for neurotransmitters (the chemical messengers involved in focus, mood, and motivation).
When B vitamins are low—or not being properly activated in the body—people can feel tired, mentally dull, unmotivated, or emotionally flat. Sometimes the brain fog is less about “focus” and more about the brain simply not having enough fuel to run smoothly.
What to look for:
A well-made B-complex with active forms is often the easiest route. Look for methylfolate (instead of folic acid), methylcobalamin or hydroxocobalamin (instead of cyanocobalamin), and P-5-P for B6. A balanced formula matters more than mega-dosing.
Who it’s most helpful for:
People with fatigue + brain fog together, high stress, low appetite, digestive issues, or a history of B vitamin deficiency.
Cautions:
Some people feel overstimulated with methylated B vitamins. If that happens, switching forms or lowering the dose often solves it.
If your brain fog is closely tied to stress, overwhelm, burnout, or poor sleep, adaptogens can be a helpful short-term bridge.
These herbs don’t “force” energy. Instead, they support the body’s ability to handle stress more efficiently, which often reduces the mental noise and fatigue that come with chronic cortisol swings.
What to look for:
The most common adaptogens used for brain fog include ashwagandha, rhodiola, and holy basil. The right one depends on whether you feel more anxious and wired, or more depleted and flat.
Cautions:
This is one category where individual factors matter more. Some adaptogens aren’t a fit for people with certain thyroid conditions, autoimmune patterns, or those taking specific medications. If you’re on prescription medication or managing a complex condition, this is worth checking with your provider.
Brain fog is common, but it isn’t inevitable. By looking at sleep, routines, stress, and daily habits, you can take steps that support mental clarity. Just like with fatigue or cortisol balance, small, consistent choices add up over time.
Even if some factors are outside your control, focusing on what you can influence—rest, routines, movement, stress management—makes a meaningful difference. With support and thoughtful steps, your mind can feel sharper, clearer, and more alert.
If you’d prefer a simple place to start, we’ve curated a small collection of supplements chosen for quality and effectiveness. This is completely optional and designed for those who want to move forward without additional research.
If this article resonates — whether you’re dealing with persistent brain fog, multiple health concerns, or medications that make concentration more challenging — individualized guidance can help. Cognitive clarity and steady focus often come from understanding your body’s patterns and supporting them with targeted strategies.
We offer personalized coaching to help you:
Identify underlying contributors to brain fog and mental fatigue
Explore nutrition, lifestyle, and behavioral strategies to support focus
Develop a plan tailored to your daily routines and health needs
Use the form below to reach out, and we’ll respond personally to help you determine the best next steps for your situation.
This is a regular list item
This is a regular list item
Q: ‘’How do I know the supplements I’m choosing are good quality?''
Not all supplements are made the same, even if the labels look similar. Quality depends on where the ingredients come from, how much is actually included, and how well your body can absorb them. Some products are made to be inexpensive, not effective. Choosing well-made supplements can make a real difference in how your body responds.
Q: ‘’Why do some supplements work for one person but not another?''
You are unique. Your digestion, stress levels, sleep, and overall health all affect how supplements work in your body. A product that helps someone else may not be the right fit for you. Supplements support your body’s natural processes, so results depend on what your body needs and what’s already going on.
Q: ‘’Can I just buy the same supplements I see recommended everywhere?''
You can, but popular doesn’t always mean appropriate. Many recommendations are very general and don’t consider individual needs. Some products also contain low doses or extra ingredients that don’t add much value. Choosing supplements based on your goals, rather than trends, usually leads to better results.
Q: ‘’How long does it take to notice a difference from supplements?"
Supplements aren’t quick fixes. They work by supporting your body over time. Some people notice changes quickly, while others need longer. Consistency matters, and results are often gradual. Small improvements can add up when you stay steady.
Q: ‘’Do I need to take supplements forever?"
Not always. Some supplements are helpful for a specific phase of life or when targeting specific health challenges. Others may be useful longer term. The goal isn’t to take more supplements, but to give your body what it needs when it needs it.
Q: ‘’How do I avoid taking supplements that don’t actually help me?"
Taking random supplements can get expensive and frustrating. It helps to start with a clear reason for what you’re taking and to choose products that match that goal. When supplements are chosen with intention, there’s less guesswork and better use of your time and money.
Q: "Why do you offer supplements through your own store instead of just listing recommendations?"
Sorting through thousands of supplement options can feel overwhelming. We choose products based on quality, ingredients, and how well they’re used in the body. Offering them in one place makes it easier to find options that meet those standards without having to research everything on your own.
Q: "When would someone benefit from working with a health guide instead of going it alone?"
Some people enjoy figuring things out on their own. Others want help creating a clear plan and understanding where to focus first. Working with a health guide can be helpful when you want personalized support, a bigger-picture view, or help connecting the dots.
Q: "What if I just want to start small?"
Starting small is perfectly okay. One or two well-chosen steps can be enough to get going. Learning more about your options is a great place to begin, and you can always build from there at your own pace.
Sometimes your health journey benefits from a bit of guidance. We offer personalized coaching to help you make sense of your options, connect the pieces, and create a plan that fits your unique needs.
If one-on-one support feels like the right next step, you’re welcome to reach out using the form below. We’ll respond personally and help you decide what makes sense.
Prefer to begin on your own?
You can explore our thoughtfully curated supplement options at any time.
Brain Fog Is a Common, Understandable Experience
This article explains that brain fog—feeling slow, forgetful, or unfocused—is not a sign of something “wrong” with you. It’s a signal that something in your daily rhythms or habits may be out of alignment, and it affects many people, especially women in midlife.
Many Different Factors Can Contribute
Brain fog rarely has one cause. Poor sleep, shifting hormones, blood sugar fluctuations, stress, and even medications or underlying health issues can all play a role in making your thinking feel cloudy.
Supportive Habits Can Improve Clarity
Prioritizing consistent, restorative sleep and establishing balanced daily routines—like regular meals, gentle movement, and breaks—can help stabilize energy and improve focus over time.
Stress Management and Environment Matter
Brief breathing exercises, moments of mindfulness, time outdoors, and reduced distractions like multitasking and excessive screen time give your brain the space it needs to think more clearly.
Pay Attention to Patterns, Not Quick Fixes
Small, consistent changes to how you approach stress, sleep, and routines tend to make more difference than quick “hacks.” The article emphasizes looking at the whole picture rather than assuming one simple cause.
Professional and Supplemental Support Is Optional
If brain fog persists despite lifestyle changes, the article notes that professional guidance or thoughtful supplemental support can be helpful for some—always paired with foundational habits.
If you’d prefer a simple place to start, we’ve curated a small collection of supplements chosen for quality and effectiveness. This is completely optional and designed for those who want to move forward without additional research.
BeYourOwnDoc is a division of Natural Solutions Group, LLC, Ballwin, MO