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Brain Hormones: What They Are and How to Support Them Naturally
The human brain is one of the most complex structures in existence, controlling everything from movement and memory to emotions and decision-making. At the center of this intricate system are brain hormones – chemical messengers that influence mood, behavior, cognition, sleep, appetite, and even social bonding. These hormones are essential for maintaining balance within the body and ensuring that the brain communicates effectively with other organs and systems. Though many people associate hormones with puberty or reproduction, brain hormones play a much broader role in daily life. Every emotion you feel, every burst of motivation, every night of restful sleep, and even your ability to cope with stress is connected to hormonal activity in the brain. Let’s take a closer look at what brain hormones are, how they work, the most important hormones involved in brain function, and how lifestyle choices can influence hormonal balance. What Are Brain Hormones? Brain hormones are chemical substances produced either directly in the brain or by endocrine glands controlled by the brain. They travel through the bloodstream or act within neural pathways to regulate physiological and psychological functions. The brain’s hormonal system is primarily managed by two important structures: Hypothalamus – the control center that links the nervous system to the endocrine system. Pituitary gland – often called the “master gland” because it regulates many other hormone-producing glands in the body. Together, these structures help maintain homeostasis, which is the body’s internal balance. Brain hormones may affect: Mood and emotions Stress response Sleep cycles Learning and memory Motivation and reward Hunger and metabolism Social bonding Sexual behavior An imbalance in these hormones can contribute to mental and physical health problems, including mood, sleep, weight, and cognitive issues. Here Are Some of the Major Brain Hormones and Their Functions Dopamine – The Motivation and Reward Hormone Dopamine is often referred to as the “feel-good” hormone, although its primary role is actually motivation and reward. When you achieve a goal, eat delicious foods, receive praise, or experience pleasure, dopamine levels rise. This hormone makes rewarding experiences feel satisfying. Functions of Dopamine Motivation and drive Pleasure and reward Focus and attention Learning and memory Motor control Healthy dopamine levels help people feel energized, productive, and motivated. Low Dopamine Levels Low dopamine may contribute to: Lack of motivation Fatigue Difficulty concentrating Low mood Excess Dopamine Too much dopamine activity has been associated with addictive or impulsive behaviors. Modern technology and social media can overstimulate dopamine pathways, leading to cycles of instant gratification and reduced attention spans. Serotonin – The Mood Stabilizer Serotonin is strongly linked to happiness, emotional stability, and well-being. While much of the body’s serotonin is produced in the gut, it can have a profound effect on the brain. Functions of Serotonin Regulates mood Supports sleep Influences appetite Helps with digestion Affects memory and learning Balanced serotonin levels contribute to emotional calmness and resilience. Low Serotonin Symptoms Low serotonin is often connected with: Mood issues Irritability Sleep problems Emotional instability Natural Ways to Support Serotonin Regular exercise Sunlight exposure Healthy sleep Foods rich in tryptophan Meditation and stress reduction Cortisol – The Stress Hormone Cortisol is produced by the adrenal glands but regulated through signals originating in the brain. It plays a key role in the body’s fight-or-flight response. Functions of Cortisol Manages stress response Regulates blood sugar Lessens inflammation Supports metabolism Helps maintain alertness In short bursts, cortisol is beneficial because it helps the body respond to danger or pressure. High Cortisol Long-term stress can keep cortisol levels elevated, leading to: Anxiousness Weight gain Sleep disturbances Memory problems High blood pressure Weakened immunity Modern lifestyles filled with work stress, digital overload, and lack of rest can activate cortisol production. Lowering Cortisol Naturally Deep breathing exercises Adequate sleep Physical activity Time spent in nature Reduced caffeine intake Healthy work-life balance Oxytocin – The Love and Bonding Hormone Oxytocin is often called the “love hormone” because it promotes emotional bonding and trust. It’s released during activities such as hugging, childbirth, breastfeeding, and positive social interaction. Functions of Oxytocin Encourages social connections Builds trust and empathy Supports maternal bonding Reduces stress and anxiousness Enhances emotional resilience Strong relationships and social support systems can increase oxytocin production and improve mental well-being. The Importance of Human Connection Research consistently shows that loneliness and social isolation can negatively affect mental and physical health.¹ Simple acts like eye contact, kindness, and physical affection can help stimulate oxytocin release. Melatonin – The Sleep Hormone Melatonin regulates the body’s circadian rhythm, also known as the sleep-wake cycle. The pineal gland releases melatonin in response to darkness, signaling the body that it’s time to prepare for sleep. Functions of Melatonin Promotes sleep Regulates biological rhythms Supports immune health Influences seasonal mood patterns Disrupted Melatonin Production Artificial light exposure – especially from cellphones and screens – can interfere with melatonin production. Low melatonin levels may lead to: Sleep disruptions Fatigue Poor concentration Mood changes Supporting Melatonin Naturally Limit screen time before bed Sleep in a dark room Maintain a regular sleep schedule Avoid caffeine late in the day Getting quality sleep is one of the most important ways to support brain health. Endorphins – The Natural Ache Relievers Endorphins are chemicals released by the brain to reduce physical discomfort and create feelings of pleasure. They are commonly associated with the “runner’s high” experienced after exercise. Functions of Endorphins Relieve aches Reduce stress Improve mood Promote relaxation Activities that can increase endorphins include: Exercise Laughter Music Dancing Meditation In addition to being natural ache relievers, endorphins can contribute significantly to emotional well-being and resilience. Adrenaline – The Energy Booster Adrenaline, also known as epinephrine, prepares the body for immediate action during stressful or exciting situations. Functions of Adrenaline Increases heart rate Boosts energy Sharpens focus Enhances reaction speed Adrenaline is useful during emergencies, athletic competition, or high-pressure situations. However, excessive adrenaline due to stress and worry can contribute to panic attacks, restlessness, and exhaustion. The Brain-Hormone Connection Brain hormones interact in highly complex networks. For example: Extreme stress increases cortisol, which can reduce serotonin and dopamine. Poor sleep can lower melatonin and disrupt dopamine balance. Positive social interactions help boost oxytocin and reduce cortisol. Exercise increases dopamine, serotonin, and endorphins simultaneously. This interconnected system helps explain how mental health can be influenced by multiple lifestyle factors. How Lifestyle Affects Brain Hormones 1. Nutrition The brain requires nutrients to produce hormones efficiently. Important nutrients include: Omega-3 fatty acids Protein Magnesium Zinc B vitamins Highly processed foods and excessive sugar intake may negatively impact hormonal balance and brain function. 2. Exercise Physical activity is one of the most effective ways to support brain hormones. Exercise can help: Increase dopamine Boost serotonin Release endorphins Reduce cortisol Even moderate activities like walking can improve mood and cognitive performance. 3. Sleep Sleep is essential for hormonal regulation. During sleep, the brain: Restores neurotransmitter balance Removes metabolic waste Consolidates memories² Regulates stress hormones Sleep deprivation can disrupt emotional regulation and decision-making. 4. Stress Management Long-term stress can disrupt hormone balance³ and overall brain health. Healthy stress-management techniques include: Meditation Yoga Journaling Mindfulness Social support Relaxation exercises Reducing stress can help improve mental clarity and emotional stability. 5. Social Relationships Humans are social beings, and healthy hormones can have a positive effect on relationships. Supportive social interactions can help increase oxytocin, serotonin, and dopamine. Conversely, isolation and conflict may elevate cortisol and negatively affect emotional health. Find Better Balance Brain hormones are the invisible chemical messengers that shape nearly every aspect of the human experience. From motivation and happiness to stress and sleep, these substances influence how we think, feel, and behave every day. Maintaining healthy hormone balance can help optimize mental clarity, emotional resilience, physical energy, and overall quality of life. Simple lifestyle habits such as regular exercise, healthy nutrition, quality sleep, meaningful relationships, and stress management can positively affect brain chemistry. Though the many stressors of modern living can be overwhelming, implementing these healthy habits can empower you to make healthier choices – which can help you achieve better balance in life. At BrainMD, we’re dedicated to providing the highest quality supplements to improve your physical health and overall well-being. For more information about our full list of brain healthy supplements, please visit us at BrainMD. These statements have not been evaluated by the FDA. This content is for informational purposes only. It is not meant to substitute for medical or healthcare advice from a physician, nor is it intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before beginning a new health regimen. References: ¹Shankar, R. (2023). Loneliness, social isolation, and its effects on physical and mental health. Missouri Medicine, 120(2), 106–108. https://pmc.ncbi.nlm.nih.gov/articles/PMC10121112/ ²Paller, K. A., Creery, J. D., & Schechtman, E. (2021). Memory and sleep: How sleep cognition can change the waking mind for the better. Annual Review of Psychology, 72, 123–150. https://doi.org/10.1146/annurev-psych-010419-050815 ³Ranabir, S., & Reetu, K. (2011). Stress and hormones. Indian Journal of Endocrinology and Metabolism, 15(1), 18–22. https://doi.org/10.4103/2230-8210.77573
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What Are the Best Ways to Promote Testosterone Levels?
Did you know that testosterone isn’t just a male hormone? Both men and women have testosterone. In fact, men and women have virtually identical types of hormones. The relative amounts of the various hormones can differ and traditionally assigned gender differences often come from these variances in hormone levels.¹ Testosterone Essentials Testosterone is a vital hormone that’s important for male development. It’s responsible for the deepening of the voice, the growth of facial hair, and many other features typically associated with maleness. Besides being an androgenic, or masculinizing hormone, testosterone is also an anabolic, or tissue-building hormone across the gender spectrum.² Though men have more testosterone than women, women produce and need testosterone too (just as men have some estrogen), just in smaller amounts. In both men and women, testosterone helps protect the nervous system and helps ward off low mood and serious cognitive and memory issues.³ Testosterone is the primary hormone responsible for libido in men, and likely helps maintain libido in women.⁴ Like many hormones, testosterone levels decrease with age.⁵ The aging process can leave some men with low testosterone levels that have been shown to increase anxiousness, low mood, and a host of other issues.⁶ Testosterone also can be prematurely reduced (at any age) by long-term stress, environmental pollutant exposures, insulin imbalance, narcotic use, and many other lifestyle factors.⁷ Some men go through a form of menopause called “andropause.” This phase can begin even in their 40s and 50s. The complications surrounding andropause include a wide array of manifestations, some of which also occur in women going through menopause.⁸ Common Signs of Low Testosterone in Men Low libido Decreased frequency of morning erection Difficulty maintaining an erection Fatigue Loss of ability to engage in vigorous activity Falling asleep after eating Memory loss Loss of pubic hair Sadness and irritability Lowered ability to experience pleasure Lowered endurance Loss of facial hair Loss of motivation at work Increased body fat and reduced lean muscle Low bone density Hot flashes Excessive sweating Hormones and the Brain Hormones are chemical messengers produced in the body that control and regulate the activity of certain cells or organs. Hormones such as estrogen and testosterone play a key role in helping maintain the health and vitality of your brain and body.⁹ Communication between the brain and hormones is bidirectional. The brain sends out signals that instruct your body’s glands to produce and release hormones, and hormones travel back to the brain and influence its activity.¹⁰ The human body produces hundreds of hormones, but the following five probably have the most direct influence on brain/mental health: thyroid (energy regulation), melatonin (sleep patterns and 24-hour cycling), estrogen (cognition and mood), progesterone (sexual behavior, stress, and mood), and testosterone (mood, motivation, sexuality, and strength).¹¹ Hormonal Imbalances When hormones are healthy, you tend to feel vibrant and energetic. When hormones are off, you’re likely to feel off. This may change the way you think, feel, and act. There are many potential causes of hormonal imbalances in both men and women. The most common causes are diet, stress (from the hormone cortisol), environment, age, or lifestyle.¹² Women are more likely to experience imbalances in estrogen, progesterone, and thyroid. In men, low testosterone levels are common. Both women and men can have imbalances in other hormones that affect the brain. If you don’t get your hormones checked, you may never know the root cause of your issues. Hormone Replacement Therapy Those who have low insulin, or use narcotics regularly for pain control, can have low testosterone. Many women on birth control pills can have an extremely low testosterone level because of the increase in SHBG (sex hormone-binding globulin) caused by the pills, that absorb the available testosterone. Women suffering from fatigue, extreme pain, low mood, and other issues often have very low testosterone levels and can improve dramatically with testosterone replacement. Testosterone can be replaced at any age and in both genders. Testosterone replacement therapy can help: Relieve low mood Revive libido Return motivation Revitalize energy There are hundreds of studies showing the medical benefits of testosterone replacement therapy. Not only is testosterone helpful for improving libido and mood, but also for improving cognition, cardiac function, wound healing, muscle strength, stamina, recovery, and energy.¹³ However, it’s crucial that testosterone and any other hormone used for replacement therapy be chemically identical to the hormones the body makes (“bioidentical”).¹⁴ It’s also important to understand that hormone replacement therapy has risks of adverse effects and should be undertaken only in close cooperation with an endocrinologist – an MD-level hormone specialist. Proper Testing As is the case with many hormones, having your testosterone in the “normal range” doesn’t always mean it’s optimal. It’s essential to check your free testosterone level in addition to your total testosterone level, due to the SHBG issue noted above. Ideally, your hormones should be in the upper-third of the normal range. Moving up from the lower third to the upper third of the normal range can dramatically improve your quality of life. Your testosterone level can only be fully assessed in the context of your other sex hormone levels, so be sure to get a broad profile hormone lab assessment. If you feel like you’re experiencing a hormone imbalance, don’t settle for the typical “your blood tests are normal so you’re fine” response from your doctor. Seek out an endocrine specialist who can assist you through the process of hormone optimization, which can be lengthy and complex. Supplements & Foods That Promote Testosterone Levels Several foods are helpful for supporting healthy testosterone levels in the body. Many of these include vitamin D and zinc, which assist the body in making testosterone. Testosterone-boosting Foods [wc_box color="inverse" text_align="left" margin_top="" margin_bottom="" class=""] Beans – such as chickpeas, legumes, and lentils, are good sources of zinc. Beef – liver is rich in vitamin D and some lean cuts of beef are high in zinc. Egg Yolks – provide carotenoids like lutein and zeaxanthin, and are a good source of vitamin D. Oysters – are an excellent source of zinc, which can help with low T. Tuna – is low in calories, rich in protein, and high in vitamin D, which is linked to testosterone production. [/wc_box] Natural Supplements that Promote Testosterone When purchasing supplements, be sure to look for these ingredients that can help support healthy testosterone levels: [wc_box color="inverse" text_align="left" margin_top="" margin_bottom="" class=""] Ashwagandha – is a powerful adaptogen that can help reduce stress and increase testosterone levels. Panax Ginseng – is more potent for male health than any of the other ginsengs. Vitamin D3 – sometimes called the “sunshine vitamin,” this vitamin very likely assists with testosterone production.¹⁵ Zinc – is essential for at least 100 enzymes and has been linked to healthy testosterone levels in the body.¹⁶ [/wc_box] Support your testosterone levels naturally with these nutrition and lifestyle recommendations for optimal health and well-being. At BrainMD, we’re dedicated to providing the highest purity nutrients to improve your physical health and overall well-being. For more information about our full list of brain healthy supplements, please visit us at BrainMD. These statements have not been evaluated by the FDA. This content is for informational purposes only. It is not meant to substitute for medical or healthcare advice from a physician, nor is it intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before beginning a new health regimen. References: 1. Basaria S. Male hypogonadism. Lancet. 2014;383(9924):1250-1263. 2. Moffat SD, Zonderman AB, Metter EJ, et al. Longitudinal assessment of serum free testosterone concentration predicts memory performance and cognitive status in elderly men. J Clin Endocrinol Metab. 2002;87(11):5001-5007. 3. Fink G, Sumner BE, Rosie R, et al. Testosterone control of brain function: effects on cognition and mood. Front Neuroendocrinol. 1999;20(3):229-260. 4. Traish AM, Saad F, Guay A. The dark side of testosterone deficiency: I. Metabolic syndrome and erectile dysfunction. J Androl. 2009;30(1):10-22. 5. Grossmann M, Thomas MC, Panagiotopoulos S, et al. Low testosterone levels are common and associated with insulin resistance in men with diabetes. J Clin Endocrinol Metab. 2008;93(5):1834-1840. 6. Wang C, Nieschlag E, Swerdloff R, et al. Investigation, treatment and monitoring of late-onset hypogonadism in males. Aging Male. 2008;11(1):1-27. 7. Weinstein MM, Heaton JP. Andropause: hormonal changes in middle-aged men. Exp Gerontol. 2014;50:77-82. 8. Roth MY, Amory JK. The effect of low testosterone on health in aging men: a review. Aging Male. 2014;17(3):161-170. 9. Fink G. Hormones and the brain. Front Neuroendocrinol. 1999;20(3):229-260. 10. Traish AM. Hormonal regulation of mood and behavior. J Androl. 2009;30(1):10-22. 11. Grossmann M. Hormones, Health and Aging. J Clin Endocrinol Metab. 2008;93:1834-1840. 12. Reis E, Ramalingam AT, Chokkalingam U. Effect of vitamin D and zinc supplementation on testosterone levels: A meta-analysis. Clin Nutr. 2020;39(2):447-455. 13. Araujo AB, O'Donnell AB, Brambilla DJ, et al. Prevalence and incidence of androgen deficiency in middle-aged and older men: estimates from the Massachusetts Male Aging Study. J Clin Endocrinol Metab. 2004;89(12):5920-5926. 14. Zinc & testosterone. Curr Urol Rep. 2016;17(5):36. 15. Wang C, et al. The Modern Approach to Testosterone Therapy. Aging Male. 2008;11(1):1-27. 16. Roth MY. Vitamin D, Zinc, and Testosterone Production. Clin Nutr. 2020;39:447-455.
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