Hormones may be tiny, but their influence on your health is anything but. These chemical messengers help regulate an extraordinary range of processes throughout the body, from metabolism, blood sugar and body temperature to sleep, mood, reproduction, bone health and sexual function.
Scientists have identified more than 50 hormones, and because they work together as an interconnected system, changes in one area can sometimes affect another. Some hormonal shifts are a normal part of life, including puberty, pregnancy, perimenopause and menopause. Others can be related to medical conditions, medications, chronic stress, sleep problems, nutrition or other factors. Understanding the difference can help you know when a change is simply part of life’s natural progression and when it deserves a closer look.
And while hormones affect everyone, the ways they influence health can look quite different in women and men, from reproductive health and metabolism to mood, energy, bone strength and sexual function.
What Exactly Are Hormones?
Think of hormones as the body’s internal messaging system.
Produced primarily by glands and organs that make up the endocrine system, hormones travel through the bloodstream and deliver instructions to specific cells, tissues and organs. They help tell the body what to do, when to do it and, most importantly, how to maintain internal balance.
Some hormones you may already know include estrogen and progesterone, which help regulate the menstrual cycle, reproduction and many aspects of women’s health. Estrogen also plays important roles in bone and cardiovascular health.
Testosterone, the primary sex hormone in men, contributes to muscle and bone development, red blood cell production, libido and reproductive function. Women produce testosterone, too, although in smaller amounts.
Thyroid hormones (T3 and T4) help regulate metabolism, energy production and body temperature.
Insulin helps move glucose from the bloodstream into cells, where it can be used for energy.
Cortisol helps the body respond to stress and is involved in metabolism, blood pressure and immune function.
Other hormones include melatonin, which helps regulate sleep, and leptin and ghrelin, which are involved in hunger and fullness signals.
The takeaway is simple: hormones don’t operate in isolation. They’re part of a remarkably interconnected system that touches nearly every aspect of health.
Hormonal Health Looks Different for Women and Men
Women and men share many of the same hormones, but their amounts, patterns and physiological roles can differ considerably.
For women, reproductive hormones tend to fluctuate more dramatically. During the reproductive years, estrogen, progesterone, follicle-stimulating hormone (FSH) and luteinizing hormone (LH) work together to regulate ovulation and the menstrual cycle.
Those shifts become particularly noticeable during perimenopause, when estrogen and progesterone can fluctuate unpredictably before eventually settling at lower levels after menopause. This transition can bring a surprising variety of changes, including disrupted sleep, hot flashes, mood changes, fatigue, brain fog and changes in body composition.
For men, hormonal change is generally more gradual. Testosterone levels naturally decline by about 1% per year after age 30. Unlike menopause, there isn’t a single defined point when the change occurs.
Hormonal Changes in Women
A woman’s hormonal landscape changes throughout life, and some transitions can be more noticeable than others.
During the reproductive years, the monthly interplay of estrogen, progesterone, FSH and LH helps coordinate ovulation and prepares the body for a possible pregnancy. Hormones also influence energy, mood, sleep, skin and other aspects of day-to-day well-being.
Conditions such as polycystic ovary syndrome (PCOS) can disrupt that balance. PCOS is associated with irregular ovulation, excess androgen activity and metabolic changes and can contribute to irregular periods, acne, excess hair growth and fertility difficulties.
Then comes perimenopause, the transition leading up to menopause. It often begins during the 40s, although timing varies. Estrogen can rise and fall unpredictably, while progesterone may begin to decline as ovulation becomes less consistent.
For some women, the changes are subtle. For others, they can feel as though their body has suddenly changed the rules.
Common symptoms include:
Irregular, heavier, lighter or otherwise changing periods
Hot flashes and night sweats
Sleep disruption
Mood changes or increased anxiety
Brain fog and difficulty concentrating
Fatigue and reduced stamina
Changes in libido
Shifts in body composition, including increased abdominal weight
Menopause is reached after 12 consecutive months without a menstrual period. At that point, ovarian production of estrogen and progesterone has declined substantially.
Lower estrogen levels affect more than reproductive health. Estrogen is important for maintaining bone density, and bone loss can accelerate after menopause. Cardiovascular, urogenital and metabolic health can also be affected during the postmenopausal years.
That broader picture is worth remembering because hormonal health isn’t simply about managing hot flashes. It’s about supporting health throughout the next chapter of life.
Hormonal Changes in Men
Testosterone often takes center stage in conversations about men’s hormones, and for good reason. It plays important roles in muscle mass, bone health, libido, reproductive function, red blood cell production and energy.
But testosterone isn’t the whole story.
Men also produce estrogen, primarily through the conversion of testosterone, and this hormone contributes to healthy bones and cardiovascular function. Thyroid hormones, insulin, cortisol and other hormones also influence metabolism, energy, mood and overall well-being.
Low testosterone, or hypogonadism, can be associated with reduced libido, fatigue, decreased muscle mass, increased body fat, lower bone density, erectile difficulties and changes in mood. However, those symptoms can also occur with sleep disorders, thyroid conditions, obesity, certain medications and other health concerns. A proper evaluation is therefore important.
The male hormonal picture isn’t simply about keeping testosterone “high.” It’s about supporting the health of the systems that regulate hormones in the first place.
What Can Cause Hormones to Become Imbalanced?
There isn’t one universal cause of hormonal imbalance. In fact, there isn’t one single condition called “hormonal imbalance.” The phrase describes a broad range of situations in which one or more hormone levels are too high, too low or not functioning as they should.
Some hormonal changes are entirely natural. Puberty, pregnancy, perimenopause and menopause all involve major shifts.
Other changes may result from:
Medical conditions: Thyroid disease, diabetes, PCOS and disorders affecting the pituitary, adrenal or reproductive glands can all alter hormone production or function.
Medications: Certain medications can influence hormone levels or how the body responds to hormones.
Chronic stress: Prolonged stress can affect cortisol and, indirectly, other hormonal systems.
Sleep disruption: Poor or insufficient sleep can affect hormones involved in stress, appetite and metabolism.
Lifestyle factors: Nutrition, physical activity, alcohol use and changes in body weight can influence metabolic and hormonal health.
There are also less common causes, including tumors or other growths affecting hormone-producing glands and autoimmune conditions that damage those glands.
The good news is that many hormonal conditions can be diagnosed and treated. The first step is figuring out what’s actually going on.
Could Your Symptoms Be Hormonal?
Sometimes the answer is yes. Sometimes it’s no.
Hormone-related symptoms can include fatigue, unexplained weight changes, sleep problems, mood changes, changes in libido, irregular menstrual cycles, hot flashes, hair changes and changes in muscle mass or body composition.
But here’s what’s important: many of those same symptoms can have other causes.
That is why a symptom by itself isn’t enough to diagnose a hormone problem. A healthcare professional may consider your symptoms, health history, medications, physical findings and, when appropriate, laboratory testing.
And because hormone levels can fluctuate throughout the day or vary depending on where someone is in their menstrual cycle, the right test and the right timing can matter.
Finding the Right Approach
There’s no one-size-fits-all treatment for hormonal problems. The appropriate approach depends on the hormone involved, the severity of the symptoms and, most importantly, the underlying cause.
For some women, menopausal hormone replacement therapy can be highly effective for bothersome symptoms such as hot flashes and night sweats. Depending on an individual’s health history and whether the uterus is present, treatment may include estrogen alone or estrogen combined with progesterone.
The potential benefits and risks of hormone replacement therapy (HRT) should be discussed with a healthcare professional who can personalize treatment.
A Note About “Bioidentical” Hormones
You may also have heard the term bioidentical hormone replacement therapy (BHRT). Bioidentical hormones have the same chemical structure as hormones naturally produced by the body. These plant-derived compounded hormone preparations are marketed as bioidentical. There are also FDA-approved bioidentical hormone products, including certain forms of estradiol and micronized progesterone.
A major feature of bioidentical hormone formulations is that they are custom-made by compounding pharmacies who tailor these formulations to the individual’s specifications in doses and forms that differ from the standard in FDA-approved medicines.
The possible negative is that, since medicines from compounding pharmacies aren't subject to the same thorough quality standards that typical commercial hormone treatments have to meet, dose and purity of a compounded bioidentical hormone medicine may vary from batch to batch.
Thus, a decision about which source of BHRT to use should be made through a discussion with a knowledgeable BHRT healthcare professional.
For men with confirmed testosterone deficiency, testosterone replacement therapy (TRT) may be an option. Treatment can be delivered in several forms, including injections, topical preparations, patches or pellets. Diagnosis should be based on appropriate symptoms together with consistently low testosterone levels, and the underlying cause should be evaluated.
Other hormone-related conditions may require very different treatments.
Hypothyroidism, for example, is commonly treated with thyroid hormone replacement. Diabetes and insulin resistance may require medications, nutritional changes, physical activity and weight management. Certain reproductive or endocrine disorders may call for medications that modify hormone production or action.
And sometimes the best treatment for an elevated hormone isn’t replacement at all—it may involve medication, surgery or another targeted intervention.
Effective hormonal care starts with finding the reason for the imbalance rather than simply treating a symptom.
Everyday Habits That Support Hormonal Health
Fortunately, many of the habits that support your overall health also support the systems involved in hormone regulation.
Eat for nourishment. Build meals around vegetables, fruits, whole grains, lean proteins, healthy fats and minimally processed foods. A balanced diet provides the nutrients your body needs to carry out countless physiological processes.
Keep moving. Regular physical activity supports insulin sensitivity, cardiovascular health, bone strength, muscle mass and mood.
Protect your sleep. Consistent, restorative sleep supports the body’s regulation of hormones involved in stress, appetite, metabolism and recovery.
Manage chronic stress. You probably can’t eliminate stress, but you can create more opportunities for your body to recover from it. Walking, meditation, yoga, deep breathing, time outdoors and other calming practices can help.
Maintain a healthy weight. Weight is only one piece of the health picture, but maintaining a weight that is appropriate for you can support metabolic and hormonal health.
These habits aren’t substitutes for medical treatment when a hormonal disorder is present. Think of them as the foundation that helps support your health alongside appropriate medical care.
What About Supplements?
Supplements can be part of a healthy lifestyle, particularly when they help address a nutritional deficiency or provide targeted nutritional support. But they shouldn’t be viewed as a substitute for diagnosing or treating a medical hormone disorder.
Vitamins and minerals such as vitamin D, magnesium and zinc play important roles in normal bodily functions, and taking the proper dosage is key. That’s why it’s important to consult with your medical provider when considering supplement support. Some supplements can interact with medications, and taking excessive amounts of certain nutrients can be harmful.
Herbal products marketed for hormonal or menopausal support are another area where it’s wise to do your homework. Research varies significantly from one ingredient to another, and a product that works for one person may not be appropriate for someone else.
For MPB Health members who are interested in adding nutritional support to an overall wellness routine, our online Discounted Vitamins & Supplements marketplace offers a wide selection of top-quality products from established health brands at 30% off retail price.
One option is Thorne Hormone Advantage, a formula containing DIM (diindolylmethane), pomegranate extract and sulforaphane glucosinolate. This product is designed for both men and women to support healthy estrogen metabolism.
It can be an appealing addition to a broader wellness routine, but it isn’t intended to diagnose or treat a hormone disorder. As with any supplement, talk with your healthcare professional before starting a new product, particularly if you take medications or have an existing health condition.
Your Hormones Are Part of the Bigger Picture
Hormonal change is part of being human.
The goal isn’t to keep every hormone at some mythical “perfect” level. It’s to understand the role hormones play in your health, recognize when something doesn’t feel right and know when it’s time to ask questions.
Whether you’re navigating perimenopause, noticing changes in energy or muscle mass, managing a thyroid condition or simply thinking more seriously about healthy aging, your hormones are part of the picture. And supporting hormonal health can be as practical as eating well, staying active, protecting your sleep, and getting appropriate medical care when you need it.
Because when it comes to hormonal health, balance isn’t about perfection. It’s about understanding your body—and giving it the support it needs at every stage of life.
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Resources
American College of Obstetricians and Gynecologists (ACOG), Hormone Therapy for Menopause
American College of Obstetricians and Gynecologists (ACOG), Compounded Bioidentical Menopausal Hormone Therapy
Cleveland Clinic, Hormonal Imbalance and Hormones: What They Are, Function & Types
Endocrine Society, Testosterone Therapy for Hypogonadism Guideline Resources
National Institutes of Health, Office of Dietary Supplements, vitamin D, magnesium and zinc fact sheets
National Center for Complementary and Integrative Health (NCCIH), information on ashwagandha and complementary approaches to menopausal symptoms