Though people often associate testosterone with men, it’s essential for women as well.
Unfortunately, a significant portion of the population lives with low testosterone, which leads to numerous health problems.
In men, it seems to even increase the risk of a severe case of COVID-19.
What does testosterone do, and how can you maintain optimal levels throughout your life? Let’s find out.
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How Common is Low Testosterone?
Some experts believe a quarter of 30-year-old men have low testosterone.
A 2006 study found 39% of U.S. men, age 45 and older, were testosterone-deficient. With about 40% deficient, most men are below optimal levels.
The situation is slightly better for women. Daniel Amen, in his book, Unleash the Power of the Female Brain, points out that 20% of women have low testosterone. He also suggests another 20% of women have polycystic ovary syndrome (PCOS), which is caused by testosterone levels that are too high.
Unfortunately, these numbers are based on people who have gone to the doctor and are experiencing symptoms. Chances are, many more men and women have testosterone levels out of balance. If you haven’t had your testosterone levels checked, you could be among them.
Why Are So Few Aware of the Low Testosterone Problem?
Most people don’t know how important testosterone is. They see it as a hormone for making muscles and boosting libido.
They don’t relate testosterone to heart disease, insulin resistance, degenerative brain disease, or depression. As you’ll see, low testosterone plays a role in these conditions and many more.
It’s for this reason I recommend adults, beginning at age 30, get a complete lab panel each year. If everyone did this, they’d likely identify trends leading to health problems, long before they became actual “health problems.”
Signs and Symptoms of Low Testosterone
Healthcare practitioners diagnose men as “low” in testosterone when it falls below 300 ng/dL. However, signs and symptoms of low testosterone often occur at levels much higher.
The “normal” range for men is 300 ng/dL to 1100 ng/dL. That’s an enormous range!
It would be like saying someone from Dallas lives near the Mexican border. They might live in the state next to Mexico, but it’s still 878 miles to the border. It’s far from Mexico.
And a testosterone level of 400 ng/dL is far from optimal, even though it’s in the “state” of normal.
As far back as the 1970s, some endocrinologist actually knew the proper optimized range of total testosterone (800-1200 ng/dL).Dr. Dan Purser Improving Male Sexuality, Fertility and Testosterone
Here we are, decades later, and the optimal range is rarely discussed. Many doctors don’t know of this “optimal” range. As a result, a doctor tells a guy he’s normal as long as his levels are above 300 ng/dl.
In women, the “normal” range for testosterone is 15-70 ng/dL. Because testosterone levels are so much lower in women, doctors often dismiss the importance of measuring it.
Though their total levels are much lower, they still have a broad range in what’s considered “normal.” A woman can feel entirely different at a concentration of 15 ng/dL, versus 65 ng/dL, even though she’d be considered normal in both circumstances.
The following two tables outline common signs and symptoms of low testosterone.
|Signs and Symptoms of Low Testosterone in Men|
|Increased “central” body fat (“pot” belly)||Irritability and anxiety||Hot flashes|
|Gynecomastia||Sleep disturbances||Poor memory|
|Osteoporotic fracture||Fatigue||Lack of morning erections|
|Loss of height||Muscle aches||Decreased ejaculate volume|
|Loss of facial, axillary and pubic hair||Decreased strength||Infertility|
|Testicular atrophy||Reduced libido||Poor memory|
|Signs and Symptoms of Low Testosterone in Women|
|Gain in body fat||Reduced sex drive or sexual function||Loss of muscle or muscle weakness|
|Fatigue||Hot flashes||Menstrual irregularity or absence|
|Diminished exercise performance||Fatigue||Bone loss|
|Loss of height||Muscle aches||Infertility|
Low testosterone can cause cardiovascular disease, type 2 diabetes, loss of muscle, low bone density, reduced physical performance, decreased libido, depression, and cognitive decline.
In a study of almost 400 men, under 50 years old, with low testosterone, one-third had low bone density! That’s a lot of men with a condition historically seen in women!
Low testosterone might also cause cognitive dysfunction, including the development of Alzheimer’s disease.
What Does Testosterone Do?
What doesn’t testosterone do? The following are some of the highlights.
Testosterone plays an important role, in men and women, in maintaining muscle mass. When you have more muscle, you not only move better, you also maintain healthier blood sugar levels. Oh, and it helps you look better too.
As testosterone rises, so do levels of hemoglobin. Increasing testosterone can improve your ability to circulate oxygen throughout your body. Increasing testosterone levels may also resolve cases of anemia.
Insulin Resistance and Diabetes
Since muscle is the primary storage area of glucose, muscle loss contributes to insulin resistance, which can develop into type 2 diabetes.
If you have low testosterone, you are much more likely to develop type 2 diabetes in the next five years, even if you have no signs of diabetes today.
Testosterone is necessary for proper bone metabolism. Ten to 20% of men have osteoporosis, and low testosterone may be the leading cause.
Confidence and Mood
Low testosterone contributes to symptoms of depression. Sometimes people describe themselves as lacking ambition, drive, or passion.
At the other end of the extreme in testosterone levels, you find people with a desire to dominate others, like the 14-year old bearded bully.
While extreme levels of testosterone can make someone into a jerk, optimal levels help you keep your head up, and confidently ask for what you want in life.
The confidence-boosting effect is seen in women as well as in men.
Researchers treated women with Social Anxiety Disorder (SAD) with a single dose of testosterone. A hallmark sign of SAD is “gaze avoidance.” They have trouble looking others in the eye.
Following the testosterone treatment, the women with SAD had no trouble holding the gaze of someone else, suggesting their confidence went up and anxiety went down.
Cognitive Function and Emotional Control
In older men, those with higher testosterone have better memory and spatial awareness and display better strategic thinking. They also have better emotional control and reactions.
Women treated with testosterone also experience improvements in memory and spatial awareness.
If you’re a guy, and you cry more than you used to, or you tend to overreact to situations, your testosterone and estrogen might be out of balance.
Libido and Sexual Function
I can’t talk about the importance of testosterone and not speak of libido and sexual function. Higher testosterone levels almost always equal greater desire, interest, and pleasure in sex for both men and women.
For women, low libido is more often tied to depression or her emotional state.
However, women with low testosterone often have low libido and rarely think about sex. They also deal with sexual dysfunction, such as dryness and discomfort during intercourse.
With about one in five married couples in a “sexless marriage,” low testosterone might be one of the many causes.
How Can You Increase Testosterone?
In men, the testes produce testosterone directly. The pituitary gland stimulates the hypothalamus, which stimulates the testes.
In women, it’s more complicated. For pre-menopausal women, a quarter of testosterone is produced by the ovaries, and another quarter is produced by the adrenal glands. The other half of testosterone is produced from hormone precursors, including androstenedione (the prohormone Mark McGwire allegedly used), and dehydroepiandrosterone (DHEA).
Androstenedione is banned, and no longer available as a dietary supplement. DHEA is available as a dietary supplement, and is often recommended for women, to support optimal testosterone production.
In my opinion, it’s best to do everything you can, with your lifestyle, exercise, nutrition, and supplementation. Then, if you still need help, hormone therapy can be an appropriate and safe way to optimize levels.
In many studies, higher vitamin D is significantly associated with higher testosterone, although other smaller studies did not find this association. Vitamin D plays a role in many areas of metabolism, so supplementing with Vitamin D is a must even if you have optimal testosterone levels already.
On evenings when couples had sex, their testosterone levels increased. On evenings when they didn’t, testosterone levels fell. If you need another good reason to make love to your spouse, there you go.
Another study found that for women who were not on hormonal contraceptives, just thinking sexual thoughts increased testosterone. Those on contraceptives did not experience the testosterone boost.
It’s also believed that a woman’s psychological state can affect testosterone. When she feels sexy, her testosterone levels go up.
Eat animal-based protein, which is a good source of saturated and monounsaturated fats. It also contains cholesterol, which can be used by the body to make testosterone.
Because of its resveratrol content, a single drink of red wine can increase testosterone levels. Be careful though. More than a serving of alcohol can reduce it.
One study showed resistance training increased testosterone levels by 30%. Another study showed hypertrophy-style training increased levels 136%, and strongman-style training increased testosterone 74%.
Resistance training increases testosterone for a short period, during and after exercise. But by exercising five to six days a week, week-after-week, the long-term effects can be significant over time.
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Sufficient, quality sleep is one of the most influential ways to maximize hormone production. Most hormones rely on a healthy circadian rhythm. If you don’t get enough sleep, or you go to sleep at inconsistent times, you’ll disrupt your circadian rhythm, and sabotage your body’s hormone production.
While I cite of many research studies, and there are many more I didn’t include, there is far more anecdotal evidence than published human studies.
Many of the herbs below have been used for hundreds, if not thousands of years. And contrary to what the media would have you believe, dietary supplements have a solid safety record.
I left the history lessons out of this article, but if you’re into history or geography, you’ll be fascinated by learning where many of the plants come from, and how they’ve been used in traditional medicine.
Most of our knowledge of natural therapies has been passed down through generations. It’s the result of experimentation. Even today, we can learn a lot from our own experiments.
That’s what I did over the past several years. Though I’d maintained a testosterone level between 750-850 ng/dL for much of my adulthood, I made some changes with my supplement and essential oil use in 2014. My levels jumped and stayed between 900-1350 ng/dL from 2014 until this past spring, 2021, when I caught a case of COVID.
Like the findings I outlined in Low Testosterone in Men Predicts More Severe COVID-19 Infection, my testosterone dropped down to 712 ng/dL. Nothing was different other than the fact I’d recovered from the infection. I’m curious to see what happens in the coming months as I hope to get it back up to where it was pre-COVID.
Each of us is different, and will respond to testosterone-supporting nutrition, lifestyle, and supplement choices in unique ways. If you’re serious about your health, you’ll want to keep making tweaks to your nutrition and supplement plan. And be sure you’re measuring your hormones along the way, so you can see the difference those choices make.
Tribulus terrestris is also known as Gokshur, Gokharu, and puncture vine. Both men and women seem to benefit from tribulus terrestris. Although this article is about testosterone, I felt it was valuable to highlight some of the other benefits of tribulus terrestris.
Tribulus terrestris contains saponins, which increase luteinizing hormone (LH), testosterone, estrogen, and other hormones. Other constituents increase DHEA, which can convert to testosterone.
Supplementing with Tribulus improved sexual desire, vaginal lubrication, and arousal. Women with hypoactive sexual desire disorder, who took 750 mg/day of tribulus terrestris, experienced improved sexual desire and elevated testosterone levels. Women with elevated blood sugar experienced lower glucose levels following supplementation.
An animal study showed tribulus terrestris reduced symptoms of depression. Depression and testosterone levels are often related, possibly because the depressed feelings contribute to reduced testosterone, or because the lower testosterone increases feelings of depression. It’s also possible that depression stems from a disruption in the hypothalamus, which also affects testosterone levels.
In animal studies, tribulus terrestris prevented increases in total cholesterol and triglycerides in animals with normal levels and lowered total cholesterol, LDL, and triglycerides in those with elevated levels.
Other studies on animals showed that tribulus terrestris supports healthy brain function, protects the liver, helps maintain normal inflammatory levels, dulls pain, and may protect cells from the development of cancer.
In a study of rugby players, the addition of tribulus terrestris to a training program did not enhance muscle mass or strength more than the training program alone. However, in a study of men with low testosterone levels, a dose of 250 mg, three times per day did improve testosterone levels and erectile function.
Ashwagandha (also known as Withania somnifera, Indian Ginseng, and Winter Cherry) is an adaptogenic herb that has been shown to support healthy blood pressure, stimulate thyroid function, maintain normal cortisol levels, and support optimal testosterone levels.
In a double-blind, placebo-controlled study of exercising men, supplementation with ashwagandha significantly increased testosterone levels compared with the placebo group. Muscle strength and size was greater, body fat percentage improved more, and muscle recovery was enhanced as well in the supplemented group compared to the control group.
Ashwagandha supplementation increased testosterone levels in infertile men. Like tribulus, ashwagandha has also been shown to improve sexual function and interest in women. Whether it’s a result of increased testosterone, reduced stress levels, or something else, remains to be determined.
Others Herbs and Extracts to Consider
Fenugreek (also known as Trigonella foenum-graecum) is another adaptogen that seems to support optimal testosterone levels, possibly by helping to modulate cortisol levels. As with tribulus, fenugreek also seems to support those with symptoms of polycystic ovary syndrome (PCOS).
Longjack root, or Tongkat Ali, grows in Malaysia, Indonesia, and Vietnam. Evidence suggests it supports optimal testosterone levels in both men and women.
To avoid making a book out of this article, let me just suggest some other herbs and extracts that have good anecdotal evidence, even if scientific research hasn’t yet supported them: Horny Goat Weed (epimedium), Maca, Holy Basil, Coleus forskohlii, Cordyceps, and Velvet Antler.
Zinc deficiency is common throughout the world. Of all the vitamins and minerals, zinc deficiency has been most clearly associated with low testosterone. When zinc-deficient men supplemented with zinc for six months, their testosterone levels almost doubled!
Lower vitamin D levels are also associated with low testosterone.
This underscores the importance of supplementing with a high-quality multivitamin.
In some people, the issue with their hormones is not that testosterone is too low. Estrogen is too high.
In men, excess estrogen can lead to gynecomastia, a decrease in facial hair, and other feminine characteristics. In women, excess estrogen can lead to “estrogen dominance.”
Though they are not necessarily “testosterone-enhancing,” aromatase-inhibitors block the conversion of testosterone to estrogen, leaving more testosterone available as testosterone. With less estrogen, testosterone has a more powerful effect. Other supplements enhance the removal of estrogens from the body.
Indole-3-carbinol (I3C), and Diindolylmethane (DIM), found in cruciferous vegetables, help to support normal estrogen levels. I3C is a precursor of DIM, and there is a lot of debate about which one is better. In my opinion, it’s just trial and error to see which works better for you. Chrysin also acts as an aromatase inhibitor.
One of the easiest and cheapest ways to help normalize estrogen levels is to eat more fiber. Fiber binds to estrogens in the intestines and helps remove them from the body.
I’m dead-set on doing whatever you can to naturally support optimal health, including your hormones.
However, these changes may not be sufficient for some people to achieve optimal testosterone levels.
Too often, I see people dig their heels in, refusing to use any medication or prescription, while they suffer from symptoms from poor health. I believe God gave us a wealth of natural health products. He also blessed some pretty smart scientists to create medication as well.
In my opinion, you’re better off using a prescription and feeling your best, than feeling lousy and remaining “all natural.”
I have to repeat, though. Don’t be lazy and go with pharmaceuticals because it sounds easier than taking care of your health naturally. If you don’t need them, I don’t recommend using them.
The two most common medical options are human chorionic gonadotropin (HCG) or Clomid, and exogenous testosterone.
HCG and Clomid stimulate the production of testosterone, just as luteinizing hormone does.
Exogenous testosterone bypasses the body’s job in producing testosterone.
Both types of treatment must involve an experienced integrative doctor, and should only be a solution once you’re doing everything else you should be doing to support your testosterone levels.
Should teens or young adults use testosterone-boosting supplements?
Most sports performance supplement consumers are high-school and college-aged young adults.
While there are a lot of kids today who are unhealthy, and display symptoms of low testosterone and/or excessive estrogen, for the most part, it’s a result of their lifestyle and nutrition choices. Introducing testosterone-boosting supplements would be a waste of money.
For young adults who are healthy and fit, I wouldn’t expect them to see much of a difference from using these supplements. Their bodies are at their hormonal peak. I think young adults can maximize what their bodies are meant to do, without using testosterone-boosters.
I wouldn’t mess with testosterone-boosting supplements until reaching an age where hormone levels start to decline, like around age 30.
Wrapping it Up
Don’t suffer from the symptoms of low testosterone. Life is much more fun and exciting when your testosterone levels are optimal. And your attitude is a lot better, so others appreciate it too.
There’s so much you can do to maintain optimal levels at any age. You also don’t have to take all of this on at once.
Start with your nutrition and lifestyle choices. Then get in the habit of strength training three to four times per week. And while you make these longer-term changes, experiment with some of these nutritional supplement options above.
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