To all women — be your strongest, your healthiest, your smartest. Live your life with vitality.

What is Testosterone?

Testosterone is an anabolic (tissue-building) hormone as well as an androgenic hormone. While men have considerably more testosterone than women, women certainly need it too. Like many hormones, testosterone drops with age — but it can also be prematurely reduced at any age by stress, birth control pill use, diabetes, narcotic use, and other factors including brain injuries.

Testosterone is the primary hormone responsible for libido in both men and women. Women suffering from chronic fatigue, fibromyalgia, depression, and other issues often have very low testosterone levels and can improve dramatically with testosterone replacement.

Women generally lose half of their testosterone between the ages of 20 and 40. Testosterone plays a significant role in PCOS (polycystic ovary syndrome) and is unfortunately often treated incorrectly.

Why Testosterone Matters for Women

Testosterone is one of the most important hormones for women's overall health. Although often labeled the "male hormone," women actually produce more testosterone than estrogen in terms of quantity. It plays a key role in energy, motivation, mood, libido, muscle development, bone density, and brain function. Testosterone receptors exist throughout the body, meaning this hormone influences far more than just sexual health.

Symptoms of declining testosterone may include fatigue, reduced motivation, brain fog, difficulty building muscle, low libido, trouble with arousal or orgasm, thinning hair, and a general sense of apathy or low drive. Because testosterone declines gradually with age — especially during perimenopause — many women overlook it as a contributor to these symptoms.

Who Needs Hormone Replacement Therapy?

Aging is a common cause of low testosterone. Diet and the ingestion of pesticides, herbicides, and phytoestrogens (found in cosmetics, hair products, plastics, and our water supply) also affect testosterone production.

Virtually everyone who has diabetes, or uses narcotics regularly for pain control, has hypogonadism — 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, which binds up all available testosterone. Testosterone can be replaced at any age and in both sexes.

Note on Traumatic Brain Injury: Blows to the head — whether resulting in loss of consciousness or not — can affect the hypothalamus and pituitary functioning, leading to low production of testosterone and Human Growth Hormone. Certain inflammatory and autoimmune diseases (e.g., Hashimoto's) can also involve the hypothalamus and pituitary gland and affect testosterone production.

Benefits of Testosterone Replacement

• Relief of depression and anxiety
• Restored libido
• Returned motivation and drive
• Revitalized energy
• Increased muscle mass
• Reduction in body fat
• Improved cognition, cardiac function, wound healing, and stamina

Proper Testing and Monitoring Is Key

Just because your testosterone is in the "normal range" does not mean it is optimal. It is essential to check your free testosterone level in addition to your total testosterone level due to the SHBG issue. Free and Total Testosterone testing should always include SHBG.

Generally, you want your hormones to be in the upper third of the normal range. Treatments should be individualized and personalized with a knowledgeable health care provider. Just going from the lower third to the upper third of the normal range can dramatically improve your quality of life.

To all men — male health is a choice. Make that choice today. Be your strongest, your healthiest, your smartest. Live your life with vitality.

What is Testosterone?

Testosterone is an anabolic (tissue-building) hormone as well as an androgenic hormone. Men have significantly more testosterone than women, though women need it too. Like many hormones, testosterone drops with age — but it can also be prematurely reduced at any age by stress, diabetes, narcotic use, and brain injuries.

Testosterone is the primary hormone responsible for libido in both men and women. There are hundreds of studies showing the medical benefits of testosterone replacement therapy — improving not just libido and mood, but cognition, cardiac function, wound healing, muscle strength, stamina, recovery, and energy.

Andropause — Men's Version of Menopause

Men go through a form of menopause called "Andropause," typically in their 40s and 50s. The symptoms include lowered sex drive, decreased muscle mass, depression, lack of motivation, fatigue, increased body fat, and decreased strength and stamina. Many of these same symptoms can occur in women at any age who have low testosterone.

Who Needs Hormone Replacement Therapy?

Aging is a common cause of low testosterone. Diet and the ingestion of pesticides, herbicides, and phytoestrogens (found in cosmetics, plastics, our water supply) also affect testosterone production. Virtually everyone who has diabetes or uses narcotics regularly for pain control has hypogonadism — low testosterone.

Note on Traumatic Brain Injury: Blows to the head — whether resulting in loss of consciousness or not — can affect the hypothalamus and pituitary functioning, leading to low production of testosterone and Human Growth Hormone. Autoimmune diseases can similarly involve these glands and affect testosterone production.

Key Benefits

• Relief of depression
• Restored libido
• Returned motivation
• Revitalized energy
• Improved muscle mass and strength
• Improved cardiac function and stamina
• Enhanced cognition and recovery

How Testosterone Protects Men's Long-Term Health

• Excess body fat is an insulin problem — testosterone helps address insulin sensitivity.
• Heart disease is preventable — testosterone supports cardiovascular health.
• Decrease in cognitive ability is avoidable — testosterone supports brain health.
• Lab tests and genetic testing provide a roadmap that is often overlooked by many professionals.

Proper Testing and Monitoring Is Key

Just because your testosterone is in the "normal range" does not mean it is optimal. It is essential to check free testosterone in addition to total testosterone due to the SHBG issue. Free and Total Testosterone testing should always include SHBG. Treatments should be individualized and personalized with a knowledgeable health care provider.

Hormone Replacement Therapy (HRT) has been around for years, but conventional medicine continues to be confused by the difference between synthetic hormones (like conjugated estrogen from horses' urine) and bioidentical estradiol. The same confusion exists with thyroid (T3/T4 vs. levothyroxine) and progesterone vs. progestin.

Key Distinctions

Estradiol (Bioidentical): Lab-created to match the body's natural estrogen, sourced from plants like soy and yams.

Premarin (Conjugated Equine Estrogens — CEE): A mix of estrogens from pregnant mares' urine.

Prempro: A combination of conjugated estrogens and medroxyprogesterone acetate — which is NOT progesterone, but a progestin. Connected to increased breast cancer risk.

Provera: A synthetic form of progesterone (progestin) — NOT the progesterone naturally produced by the body.

What the Research Shows on Estradiol

• The only drug that reduces mortality from breast cancer by 50% is estradiol.
• If you have an estrogen-positive tumor, studies show estradiol is apoptotic to breast cancer cells — meaning it helps kill them.
• Oral estradiol reverses arterial plaque.
• All randomized controlled trials and long-term studies show estradiol reduces breast cancer risk and may even retreat existing breast cancer.
• Risk of coronary heart disease (CHD) death was significantly reduced by 18–54% in hormone therapy users.
• Risk of stroke death was reduced by 18–39%.
• Risk of all-cause mortality was reduced by 12–38% in hormone therapy users.
• Oral estradiol lowers lipoprotein(a) and insulin resistance.
• HDL levels increase. LDL decreases. Note: HDL is more predictive of cardiovascular disease than LDL in women.
• Only Premarin (not oral estradiol) increases VTE (venous thromboembolism) risk.

Estradiol and Bone Health

Estrogen level is the consistent independent predictor of bone mineral density (BMD) in both men and postmenopausal women. Age-related bone loss may result from estradiol deficiency — not just in postmenopausal women but also in men.

Important Notes

Conventional doctors are still prescribing CEE forms of estrogen instead of bioidentical estradiol. Transdermal estradiol does not have the same cardiovascular protective effects as oral estradiol — the first-pass effect through the liver is important for lipid benefits. Women's goal estradiol level: 100 pg/mL.

She was miserable. Only 40 years of age, she said her husband was trying to be supportive but her moods before her time of the month were getting increasingly worse. "I can't help it," she said. "They said I had PMS. My periods are heavy, I lose lots of blood, and my cramps really hurt. Sometimes I have pretty severe headaches. My family doc just wants to put me on birth control pills."

These symptoms are heard frequently. And the answer for many of these problems may be the use of bioidentical progesterone.

What Is Progesterone?

Progesterone is only produced by the ovary at the time of ovulation. It lasts for 14 days, generally, until the menstrual cycle begins. In a young woman who becomes pregnant, the progesterone is produced more by the placenta as the pregnancy progresses. Progesterone has many important effects beyond supporting pregnancy.

Important distinction: Birth control pills do NOT contain progesterone. They contain progestin — a synthetic hormone that has been shown to increase the risk of breast cancer in many women. Bioidentical progesterone addresses root causes, not just symptoms.

Symptoms of Low Progesterone in Premenopausal Women

• PMS
• Heavy menstrual flow
• PCOS
• Infertility and frequent miscarriages
• Premature labor
• Post-partum depression
• Estrogen dominance
• Elevated LDL and decreased HDL
• Decreased libido
• Weight gain

Symptoms of Low Progesterone in Postmenopausal Women

• Anxiety
• Headaches
• Insomnia
• Breast soreness
• Depression
• Bone loss
• Weight gain

Benefits of Progesterone

• Lowers LDL, raises HDL
• Protects against uterine cancer and breast cancer
• Reverses bloating, weight gain, and depression
• Promotes feeling of well-being
• Works synergistically with estrogen
• Prevents coronary artery constriction
• Greatly enhances treatment of PMS and heavy menstrual flows
• Enhances protection of estrogen for osteoporosis
• Improves female sexual response
• Anti-inflammatory effects

Treatment Approaches

Premenopausal: Cyclic progesterone, usually 100 mg sublingual twice daily from days 14–28 of the cycle. For more severe cases, doses can be significantly higher under medical supervision.

Postmenopausal: Oral progesterone every night enhances sleep and provides protection. 200–300 mg nightly is standard, with higher doses often needed to prevent breakthrough bleeding when cortisol is elevated.

Progesterone is the only steroid hormone that has been shown to be free of carcinogenicity in controlled clinical studies. Published research in journals including Nature Reviews Cancer confirms that progesterone used in menopausal hormone therapy does not increase breast cancer risk.

The most common complaint of women who visit our clinic: "My doctor only tested TSH. My levels were 'normal' but I still have all the symptoms. They want to put me on an antidepressant."

Most non-functional doctors — including endocrinologists — only test TSH and maybe T4. They seldom test the key measurements of Free T3 and TPO(ab) (the latter measures for antibodies, specifically for Hashimoto's disease). If the TSH is in "normal" range, they say you do not have a thyroid issue regardless of symptoms.

The Importance of Thyroid Health in Women

The thyroid gland may be small, but it plays a crucial role in women's health. Located in the front of your neck, this butterfly-shaped gland produces hormones that regulate your metabolism, energy levels, body temperature, and mood. When it's out of balance, the effects can be far-reaching — touching nearly every aspect of your well-being.

Thyroid dysfunction is surprisingly common in women and can often go undiagnosed, especially since its symptoms — fatigue, weight fluctuations, brain fog, and mood changes — are often mistaken for stress, metabolic issues, PCOS, or menopause.

Hypothyroidism and Hyperthyroidism

Hypothyroidism occurs when the thyroid doesn't produce enough hormones, slowing metabolism. This is more common in women, particularly as they age, and can cause fatigue, weight gain, hair thinning, cold intolerance, dry skin, and depression. The most common cause is Hashimoto's Thyroiditis — an autoimmune condition where the immune system attacks the thyroid.

Hyperthyroidism occurs when the thyroid produces too much hormone, speeding up metabolism. Symptoms include weight loss, anxiety, rapid heartbeat, and heat intolerance. The most common cause is Graves' Disease — another autoimmune condition, with women disproportionately affected.

Thyroid Disorders in Young Women

Women diagnosed with PCOS have a much higher incidence of autoimmune hypothyroidism (Hashimoto's Thyroiditis). Both PCOS and thyroid dysfunction are often linked to fertility issues. If you are struggling with fertility, it's essential to have your thyroid checked as part of your evaluation — especially if you already have a PCOS diagnosis. The lab test that should always be done is TPO(ab).

Thyroid, Estradiol, and Progesterone

The thyroid does not operate in isolation. Estrogen plays a vital role in regulating thyroid hormone production and helps maintain sensitivity of thyroid hormone receptors. When estrogen levels fluctuate — during the menstrual cycle, pregnancy, or menopause — it can alter thyroid function.

For many women, symptoms overlap with menopause, making thyroid dysfunction easy to miss. Comprehensive testing — including TSH, Free T3, Free T4, and TPO(ab) — is essential. Early diagnosis can prevent more serious complications.

What Optimal Testing Looks Like

• TSH (but not in isolation)
• Free T3 (the active thyroid hormone)
• Free T4
• TPO(ab) — antibodies for Hashimoto's
• Thyroglobulin antibodies if indicated

Your thyroid is the engine behind your body's energy production. Keeping it healthy is essential for feeling your best — and that starts with getting the right tests.

When estrogen levels are high relative to progesterone — what is commonly called "Estrogen Dominance" — it significantly impacts body fat gain and loss, lowers testosterone and growth hormone, suppresses thyroid function, and raises insulin and cortisol. The result: excess body fat that seems impossible to lose regardless of diet or exercise.

The Hormonal Interplay

Estrogen helps develop and maintain the reproductive system, contributes to cognitive health, bone health, and cardiovascular function. However, it can also promote fat storage and raise insulin and cortisol — particularly in the form of estrone. Excess estrogen blocks thyroid receptor sites and causes the liver to produce elevated thyroid binding globulin, gobbling up available thyroid hormone.

Progesterone is a precursor to testosterone and is critical for muscle building. It promotes fat loss, calms the nervous system, lowers insulin and cortisol levels, and is the main hormone that keeps estrogen in balance. When progesterone is low, testosterone production falls and estrogen rises unchecked.

Testosterone is a major factor in both muscle bulk and strength as well as fat-burning. It helps regulate sex drive, bone mass, fat distribution, and the production of red blood cells. More lean muscle mass leads to higher resting metabolic rates.

Thyroid regulates your metabolism — all processes in the body dealing with energy production and use. It works to increase energy production in each cell and the rate at which energy (carbohydrates and stored fat) is burned.

The Vicious Cycle of Estrogen Dominance

High sugar raises insulin. High insulin raises cortisol. Cortisol is created from progesterone — so the body takes a fat-burning hormone and converts it into a fat-building one. Low progesterone leads to lower testosterone and higher estrogen. Higher estrogen causes more sugar cravings. The cycle repeats.

Excess estrogen also causes the liver to produce thyroid binding globulin, reducing available thyroid hormone. Less thyroid means less estrogen is broken down by the liver, causing further buildup. Less thyroid means less energy, more fatigue, and more fat storage.

So: more estrogen → less progesterone, thyroid, and testosterone → more insulin, body fat, and cortisol → even less progesterone and testosterone → even more estrogen.

What To Do About It

Protein first. The amino acids in proteins are key to building progesterone, testosterone, and thyroid hormones. Adequate protein also lowers cravings for the sugars that drive this hormonal cascade.

Reduce processed sugars and refined carbohydrates. These directly drive insulin and the estrogen dominance spiral.

Magnesium is calming, helps lower cortisol before sleep, and most people are deficient. Fiber helps remove excess estrogen from the body and stabilizes blood sugar. Vitamin B6 helps reduce estrogen levels in the blood. Iodine and tyrosine support thyroid hormone production.

Most importantly: Test, don't guess. Each of these hormones — estrogen, progesterone, testosterone, thyroid, insulin, and cortisol — can be tested. A comprehensive panel gives you the full picture and makes targeted treatment possible.

Key Tests to Request

• Estradiol, Estrone, and Estriol (E1, E2, E3)
• Progesterone
• Free and Total Testosterone with SHBG
• Free T3, Free T4, TSH, and TPO(ab)
• Fasting Insulin and Glucose / HbA1c
• Cortisol (morning and evening)
• DHEA-S and IGF-1