Feeling Sluggish? 5 Everyday Habits That Quietly Drain Your Dopamine
Mark Hyman, MD
Co-Founder & Chief Medical Officer of Function Health
July 20, 2026
Have you ever caught yourself thinking:
“Why can’t I seem to get motivated anymore?”
Maybe projects you used to enjoy now feel like a chore. Maybe it’s harder to focus than it used to be. Or maybe you find yourself reaching for another cup of coffee, another snack, or another scroll through social media just to get through the afternoon.
It’s easy to blame a lack of discipline or assume you’re simply getting older.
But what if your brain is trying to tell you something?
One of the biggest drivers of motivation, focus, and drive is a neurotransmitter called dopamine.
The problem is that many aspects of modern life can quietly chip away at healthy dopamine signaling, leaving you feeling sluggish and flat.
Let’s take a closer look at why dopamine matters, five everyday habits that may be quietly draining your levels—and, more importantly, what you can do about it.
Why Does Dopamine Matter?
While it’s often called your brain’s “feel-good chemical,” dopamine has much less to do with feeling happy than it does with helping you pursue the things that matter—like eating, learning, and social bonding.
It’s what gives you the drive to start a project, stick with a goal, solve a problem, or experience the satisfaction of accomplishing something. It also helps regulate your executive function: things like decision-making and staying on task.
When dopamine is in balance, you feel alert and motivated. When it’s low, you may feel sluggish and scattered.
Low dopamine function has also been linked to several mental and neurological conditions, including attention-deficit/hyperactivity disorder (ADHD), depression (low-energy type), and Parkinson’s disease.1-3
What Influences Dopamine?
Your dopamine levels—and how well your body responds to them—can be influenced by several factors.
For one, genetic variations may affect how dopamine is made, broken down, or received by cells.4 Variations in dopamine receptor genes have been linked to ADHD and may affect how dopamine signals are processed in the brain—even when dopamine levels appear to be adequate.3
While your genetics might feel out of your control, they’re not the only factors to be aware of.
Here are five daily habits that can disrupt dopamine signaling—and what you can do instead to support healthy neurotransmitter function.
Habit #1: Skimping on Protein
Your body makes dopamine from tyrosine, a non-essential amino acid that comes from protein in your diet. You can also make tyrosine from phenylalanine, an essential amino acid found in protein-rich foods.
If you aren’t consistently getting enough protein, your body may not have enough of these amino acid building blocks to support healthy dopamine production.5
What to Do Instead
Aim to include a quality source of protein with every meal, such as:
Wild-caught fish
Pasture-raised eggs
Grass-fed meat
Organic poultry
Greek yogurt
Non-GMO tofu
Nuts and seeds
Lentils and beans
Think beyond total grams. Because your body can’t store amino acids the same way you store fat, spreading protein throughout the day may be more beneficial than consuming most of it at dinner.
Habit #2: Not Getting Enough Key Nutrients
Protein may provide the building blocks, but making dopamine from tyrosine isn’t a one-step process. It depends on enzymes.
That may sound simple enough, but those enzymes require several important vitamins and minerals—including vitamin B6, iron, folate (vitamin B9), and vitamin B12—to function properly. Without these nutrients, your brain may struggle to produce dopamine efficiently, even if you’re eating enough protein.
And making dopamine is only half the story. Your brain also has to respond to it.
Your dopamine receptors sit within the membranes of your brain cells. Those membranes are largely made of fat. If inflammation and poor-quality fats change the composition of your cell membranes, they can become less flexible—and your brain cells may not “hear” dopamine’s message as effectively.
What to Do Instead
Build your meals around nutrient-dense whole foods that naturally support dopamine production, including:
Leafy greens for folate
Eggs and dairy for vitamin B12
Salmon and poultry for vitamins B6 and B12
Red meat and shellfish for iron
Beans and lentils for iron and folate
Liver and organ meats for iron, B6, folate, and B12
Wild-caught fatty fish, walnuts, chia seeds, and flaxseed for omega-3 fats
Habit #3: Living on Quick Rewards
Dopamine evolved to motivate behaviors that helped humans survive—finding food, solving problems, and building relationships.
Today’s world offers something very different.
Highly rewarding experiences—often called “dopamine hits”—are available almost instantly through social media, ultra-processed foods, online shopping, alcohol, and round-the-clock notifications.
Now, these aren’t technically depleting your dopamine. But relying on them for constant stimulation can hijack your natural reward system, training your brain to expect immediate rewards.
What to Do Instead
If you spend any time on social media, you might have heard about doing a “dopamine detox”—the practice of abstaining from instant gratification and high-reward activities for a period to “reset” the brain.
The name, however, is misleading.
You can’t detox dopamine, nor should you want to. Your brain needs it to function. What this practice actually does is allow your attention and reward system to recalibrate.
My advice? Rather than trying to eliminate all pleasure, build more “slow rewards.”
Spend more time on activities that require effort before the reward arrives, such as:
Strength training
Learning a new skill
Reading
Gardening
Cooking from scratch
Spending time in nature
Having meaningful conversations
These slower rewards help build lasting motivation instead of simply chasing the next hit of stimulation.
Habit #4: Being Under Constant Stress
Stress was never meant to be a full-time job.
In short bursts, it’s incredibly helpful. When you face a challenge, your body releases stress hormones that sharpen your focus, increase alertness, and prepare you to respond.
The problem is that many of us never fully switch that response off.
When you’re under chronic stress, your body produces stress hormones that can disrupt healthy dopamine signaling and strain the brain systems involved in motivation, focus, and emotional resilience.6
Over time, that can make it harder to concentrate, finish projects, or feel excited about the things you once enjoyed.
What to Do Instead
Look for simple ways to help your nervous system shift out of “fight-or-flight” and back into “rest-and-digest.”
That might include:
Walking outside
Strength training
Breathwork or meditation
Spending time with people you love
Prioritizing seven to nine hours of quality sleep
Even a few minutes of intentional recovery each day can support a healthier stress response—and a healthier brain.
Habit #5: Ignoring the Bigger Picture
Dopamine doesn’t exist in isolation.
Your brain reflects what’s happening throughout the rest of your body.
For example, dysbiosis (an imbalance in your gut microbiome) can interfere with nutrient absorption and disrupt your gut-brain connection. This may, in turn, affect dopamine signaling and overall neurotransmitter balance.7
Chronic inflammation may also disrupt dopamine signaling.8
And environmental toxins—including heavy metals like mercury and lead—have been shown to interfere with healthy dopamine function.9
What to Do Instead
Instead of looking for a single way to “fix” your dopamine, focus on the fundamentals that create a healthy internal environment:
Eat a colorful, minimally processed diet
Move your body most days of the week
Support your gut with fiber-rich, whole foods
Reduce unnecessary exposure to environmental toxins whenever practical
Work with your healthcare provider to identify and address underlying nutrient deficiencies or metabolic imbalances
Supporting your brain means supporting your overall health.
Want to Build a More Motivated Brain?
Energy, motivation, and focus aren’t just in your mindset. They’re in your biology too. And dopamine is only one piece of the puzzle.
In Brainshaping Academy, you can explore the four major neurotransmitters that shape how you think and feel: dopamine, serotonin, GABA, and acetylcholine. Plus, you’ll get my nutrition and lifestyle protocol to help support each naturally.
You’ll also learn how your gut, metabolism, inflammation, hormones, nutrient status, and daily habits work together to influence mental and cognitive health.