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6 Best Testosterone Boosters For Males Over 40

Testosterone Boosters over 40

Testosterone is the sex hormone that promotes masculine characteristics such as muscle mass, assertiveness, and high libido. However, testosterone production peaks pretty soon after men reach adulthood, as early as age 18 or 19. Afterward, testosterone levels gradually drop for the rest of your life.

By the age of 40, low testosterone levels have likely caused a variety of undesirable symptoms including low energy, increased belly fat, and a lower sex drive.

Luckily, there are testosterone boosters available that can increase testosterone production naturally. However, not all natural testosterone boosters are created equal and some don’t even work at all.

We’ve reviewed the best testosterone booster supplements to help you find a product that works. While almost all testosterone boosters aim to help you build lean muscle mass, some products contain ingredients that can offer additional benefits such as reduced body fat, improved libido, and more energy.

If you’re ready to regain your vigor and become the best version of yourself, here are the best testosterone booster supplements of 2021.

Top 6 Best Testosterone Boosters For Men Over 40

Testogen: Best overall
Prime Male: Best for reducing body fat
TestRx: Best for sex drive
Testofuel: Best for muscle gain
Hunter Test: Best for confidence and motivation
Testo-Max: Best alternative to sustanon injections

#1 TestoGen: Strongest Test Booster

Testogen is our top choice for the best natural testosterone booster in 2021. In 2014, trusted supplements manufacturer Wolfson Berg Limited introduced the world to TestoGen, and the product quickly gained recognition as one of the strongest testosterone boosters ever made.

The Testogen brand claims that its product will boost testosterone immediately so that your testosterone levels will begin to increase after just a week of use. You’ll quickly see improvements in several areas, including strength, libido, and your ability to focus.

TestoGen works so well because it contains exceptionally high amounts of 12 natural ingredients that increase the body’s testosterone production:

D-Aspartic Acid
Vitamin D-3
Vitamin K1
Vitamin B6
Nettle leaf extract
Korean red ginseng extract
Fenugreek extract
Black pepper extract

TestoGen recommends taking four capsules altogether daily, preferably about 20 minutes before your first meal of the day. Each bottle contains a month’s supply or 120 capsules. Plus, you’ll also receive a free e-book about eating a testosterone-friendly diet.

TestoGen ships free to customers worldwide, and if you don’t like your results, you can get a full refund within 100 days—the best money-back guarantee in the industry.

Men suffering from deficient testosterone levels will see great success using a supplement as potent as TestoGen, including men over 40.

Boost testosterone levels naturally and reduce symptoms of low-t.
Improve muscle mass and strength
Strongest testosterone booster on the market
Improve sexual health with improved libido
Huge discounts when buying more than 1-month supply

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#2 Prime Male: Boost Testosterone Levels Naturally

Prime Male is one of the best testosterone booster supplements for men over 40. The name Prime Male really speaks for itself. Developed by the world-renowned, U.K.-based supplement manufacturer Roar Ambition, LTD, this GMP-certified testosterone booster can supposedly restore your testosterone levels to their youthful glory.

In fact, Prime Male says that you can expect to see a 42 percent increase in testosterone levels in as soon as 12 days, accelerating fat loss in the body.

Prime Male can boost testosterone by combining the following ingredients:

D-Aspartic Acid
Red ginseng extract
Mucuna Pruriens seed extract
Nettle root
Vitamin K2
Vitamin D-3
Vitamin B6

Prime Male contains two helpful compounds not seen in the other testosterone boosters on our list: Luteolin and Mucuna Pruriens. These two ingredients have helped Prime Male earn its reputation as the best testosterone booster for blasting body fat.

Research has shown that luteolin helps regulate your estrogen levels, a female hormone that might be causing you to store excess fat. The extract from Mucuna Pruriens boosts your protein levels and improves bone density, helping you stay strong enough to exercise and lose weight.

Rather than all at once like most supplements, Prime Male recommends spacing its dose of four pills throughout the day for best results: one with breakfast, another with a mid-morning snack, a third at lunchtime, and the last one with dinner.

120 pills—a month’s worth of doses—make up each bottle. Prime Male offers free shipping worldwide as well as a 90-day money-back guarantee. However, please be advised that Prime Male capsules contain gelatin, making them unsuitable for vegans.

Once you start taking Prime Male to increase testosterone levels, you’ll drop those pounds in the blink of an eye.

Natural testosterone booster for declining hormone levels
Overcome fatigue and increase energy levels
Improve mood and reduce mood swings due to declining testosterone levels
Increase muscle mass and strength
Sharpen your mind and improve cognition

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#3 TestRx: Best for Sex Drive

TestRx is a natural testosterone booster that helps with muscle growth and sex drive. If your performance in the bedroom has faltered, TestRx can help you reclaim your sexual prowess by boosting your T levels. Remember that raging libido you experienced in your youth? Get ready to feel like that again with this product since your hormones will go through the roof as your testosterone levels increase.

TestRx works by nourishing your body with the following natural ingredients needed to produce higher testosterone levels:

D-Aspartic Acid
Vitamin D3
Vitamin K2
Vitamin B6
Fenugreek seed extract

One study showed that d-aspartic acid could increase sperm count by at least 60 percent. This amino acid will especially give your libido the spark it needs. The zinc will also help—its presence in oysters is what makes the bivalve a popular aphrodisiac.

To boost testosterone with TestRx, all you have to do is pop one pill twice a day, every day. Each bottle comes with 60 pills, which should last one month. But if you’re still struggling to get it up after 67 days, you can get your money back, no questions asked.

If you want to combat erectile dysfunction or otherwise rekindle your sex drive, you can’t go wrong with TestRx.

Boost natural testosterone production with proven ingredients
Rated as the #1 testosterone boosting supplement for sex drive
Increase muscle mass and strength
Achieve weight loss more easily

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#4 TestoFuel: Best for Muscle Gain

TestoFuel is one of the top testosterone pills for building muscle. Another Roar Ambition product, TestoFuel, operates on a simple philosophy: more testosterone, more muscle. The TestoFuel supplement reduces your estrogen levels, which leads to increased relative testosterone levels. More testosterone means faster protein synthesis, which helps build muscle mass.

In addition to packing on muscle, TestoFuel helps you burn stubborn body fat by speeding up your metabolism—leaving only lean muscle behind.

The TestoFuel formula contains nine ingredients that function as natural testosterone boosters:

D-Aspartic acid
Vitamin K2
Vitamin B6
Vitamin D3
Asian Red Panax Ginseng
Fenugreek seed
Oyster extract

In particular, the zinc in TestoFuel will help you sculpt your body because it decreases the healing time for the tiny micro-tears in muscle tissue that often form after a vigorous workout, which means that soreness won’t keep you from getting back in the gym the next day—even if you go really hard.

When you boost your testosterone levels, you’ll be able to push past your old limits before you know it. Testosterone improves oxygen flow throughout the body, which enhances your endurance.

To achieve the best muscle growth you’ve seen in years, take four capsules of TestoFuel every day. A single bottle contains a month-long supply of 120 pills. However, you might not see serious muscle mass gains within the first month, so remember just to give it some time.

You should also be aware that many men report that this supplement will give you a large appetite, which can actually be a good thing as long as you fill up on proteins that will help you get the most out of the pills.

If low testosterone levels have created a glass ceiling for you at the gym, TestoFuel can help you break it.

Accelerated muscle growth
Boost testosterone production naturally without side effects
All-natural ingredients, including essential vitamins
Reduce body fat and lose weight faster

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#5 Hunter Test: Over-the-Counter Test Booster

Part of Roar Ambition’s Hunter suite of products for men, including Hunter Focus and Hunter Burn, Hunter Test prides itself on changing its users’ lives in a plethora of ways. The brand insists that the supplement will amplify muscle mass, boost your energy levels, and heighten your performance in all areas of life.

In particular, your mental health will improve when you take Hunter Test since increasing testosterone levels can do wonders for your mind. Low testosterone and depression actually share several symptoms, including irritability, difficulty sleeping, and low energy.

Therefore, taking testosterone boosters like Hunter Test will boost your mood and, with it, your confidence, enabling you to take the initiative at work, in your social circle, and in the bedroom.

Hunter Test combines nine ingredients in its clean formula backed by scientific research:

D-Aspartic Acid
Vitamin K2
Vitamin D
Asian ginseng
Boron Chelate
Indole-3-Carbinol (I3C)

Unique to Hunter Test vis-à-vis the other testosterone supplements we’ve reviewed, studies have proven that indole-3-carbinol (I3C) acts as a negative regulator of the female hormone estrogen. Compared to estrogen, higher testosterone levels may decrease anxiety.

To increase testosterone with Hunter Test, men should ingest a six-capsule serving of Hunter Test daily. Some users report a funky smell, so you might want to down the pills quickly—and maybe even plug your nose.

The good news is that you’re getting an exceptional value: Each Hunter Test bottle contains 180 pills for a month’s supply—coming out to a low cost of about $0.40 per pill. You should start to see results around the three-month mark, but you can get your money back within 90 days if you don't.

Enhance strength and health
Unstoppable motivation
Unbreakable confidence
Naturally boost t-levels

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#6 Testo-Max: Best Reviews

Gym rats, rejoice: There’s a natural alternative to steroids out there, and it’s called Testo-Max. Created by the U.K.-based supplement company CrazyBulk, Testo-Max has developed a reputation as the best testosterone booster for rapidly developing muscle mass in men. The brand promises to deliver increased testosterone levels in just one to two weeks!

Testo-Max owes its success to a massive dose of a testosterone-boosting amino acid called d-aspartic acid—more than any other brand at 2352 milligrams.

Other natural ingredients that make up the Testo-Max formula include:

Vitamin D3
Vitamin K1
Vitamin B6
D-Aspartic Acid
Nettle Leaf Extract
Ginseng red powder
Fenugreek extract

For best results, make sure you take four capsules per day approximately 20 minutes before breakfast, on both workout and non-workout days. However, keep in mind that unlike most testosterone boosters, Testo-Max recommends using its supplement in cycles, alternating two months on with 10 days off. Each bottle contains 30 days' worth of pills: 120.

Like all other testosterone-boosting supplements, though, Testo-Max alone won’t grant you substantial gains in muscle mass--you’ll still need to put in work at the gym. But if you do that, Testo-Max will expedite the muscle-building process.

Whether you’re a bodybuilder or simply want to bulk up but without the undesirable side effects and legality issues of steroids like Sustanon, then Testo-Max deserves a place in your medicine cabinet. You’ll be amazed at how much this testosterone booster will help you pack on the muscle.

Marketed as a safe alternative to testosterone injections
All-natural ingredients
Improve lean muscle mass while shedding body fat
Money-back guarantee

Click Here for the Lowest Price on Testo-Max

Why are Testosterone Supplements Helpful for Men Over 40?

While nearly any guy over 25 will enjoy health benefits from testosterone boosters, a testosterone supplement will especially make a difference in men over 40.

After age 30, what started as a slight decline in T levels among men accelerates into a plunge often described as “male menopause.” From that point forward, testosterone levels decrease by about one percent each year.

Thus, men over 40 who want to reverse the effects of low testosterone have a longer way to go since their hormone levels have been in steep decline for over a decade. The contrast between your body now and how it will feel after using a testosterone-boosting product will be much greater than what you’d see in a younger man.

When you boost testosterone levels, you’ll enhance your performance across the board, including areas like strength, energy, and libido. It’s the closest you can get to drinking from the fountain of youth.

However, it’s important to note that while these products do increase testosterone in older men, the supplements don’t work overnight. You may have to keep at it for days, weeks, or even months, depending on your body composition, before you start to see improvements in your health and wellness. Just stay the course!

What Causes Low Testosterone Levels in Men?

The age-related decline in testosterone levels occurs because the functioning of the testicles and pituitary gland slows down over time. The pituitary usually secretes something called luteinizing hormone, which then spurs Leydig cells' reproduction in the testes. These cells ultimately produce testosterone.

When the pituitary gland begins releasing less of the luteinizing hormone in your 30s, then the testicles produce fewer Leydig cells. As a result, your testosterone levels decrease.

Additionally, the concentration of the sex-hormone-binding globulin (SHBG) increases with age. SHBG binds to free testosterone in the body, which renders it unavailable for use. This binding can reduce the amount of free testosterone in the body by as much as 60 percent.

Testosterone-boosting products work by fighting all of these processes. Their natural ingredients trigger the release of the luteinizing hormone, the reproduction of Leydig cells, and finally, testosterone production. Plus, some ingredients suppress the production of SHBG so that more of the testosterone your body creates is free to use.

Health Benefits of Taking Testosterone Pills

Increased Muscle Mass

No matter how frequently we hit the gym, the body will gradually lose muscle mass as we age. Increasingly low testosterone levels precipitate this decline in strength. The good news is that a testosterone booster can help you bulk up again and regain some of that strength from your younger days.

Improved Sex Drive

If your interest in physical intimacy has dwindled, testosterone supplements can help you kick your libido into high gear. Increased testosterone leads to a higher sex drive, so once your body starts using the ingredients in one of these testosterone boosters, you’ll be ready for sex at the drop of a hat.

Weight Loss

Low testosterone levels can cause your weight loss progress to plateau, even in the face of rigorous workouts and a healthy diet. A testosterone booster will help you push past that barrier and finally zap that pesky fat in your midsection for a leaner look.

Boosted Mood

If your mood has become as unstable as a seesaw in recent years, low testosterone could be the culprit. Whether you’re experiencing angry outbursts, a lack of motivation, or unexplained sadness, you should try taking a testosterone-boosting supplement. You’ll start feeling like your old self again before you know it.

Increased Energy Levels

Do you regularly deplete all of your energy carrying out everyday tasks? If so, you may benefit from the energy boost that can occur when you increase testosterone levels in the body. The gained energy, alertness, and ability to focus on these ingredients will help you accomplish all of your goals, health and otherwise.

Increased Bone Density

Testosterone and bone density also decrease with age, but the vitamin D present in testosterone supplements will help mitigate some of the issues that stem from weaker bones. Your athletic performance will improve, you'll be less prone to injuries, and your risk for osteoporosis will drop.

Things to Consider When Buying the Best Testosterone Booster for Men


Before you purchase a testosterone booster, always read the nutrition label carefully to make sure it's safe for your health. Sometimes, manufacturers use filler ingredients like magnesium stearate or silicon dioxide to drive production costs down, but they provide no value. Look for research-backed ingredients that actually contribute to testosterone production.

You also want to make sure that the hormone supplement contains a high enough amount of each ingredient to be effective. For example, most supplements on the market require over 2,000 mg of the critical d-aspartic acid to work.

To ensure that you're getting sufficient quantities of each ingredient, steer clear of testosterone boosters containing “proprietary” formulas, which means they only list the ingredients in weight order instead of disclosing the exact strength of each ingredient. This loophole allows manufacturers to stretch the truth regarding the exact contents of their products.

Stick to testosterone-boosting supplements on the market that have straightforward, clean labels on the product like the ones we’ve reviewed.

Customer Reviews

One of the most surefire ways to find the best testosterone supplement is to see what other users have to say about them. No matter how emphatically a brand makes its claims, nothing will reassure you more than positive reviews from other customers. Objective feedback will give you the most accurate picture of how well a testosterone booster works.


The price of testosterone-boosting supplements generally ranges anywhere from $20 to $100 per month. Like most other products, you get what you pay for here; testosterone boosters with higher amounts of effective ingredients will likely cost more. It’s up to you to decide how much you’re willing to spend. Luckily, you can usually take advantage of discounts by buying in bulk.


To find the best testosterone booster for your needs, you'll need to research the intended effects of each product. While all testosterone supplements will boost libido and enhance muscle growth, fat loss, energy, and mood, some products will specialize in one area more than another. Make sure that the testosterone booster you choose caters to the specific health benefits you seek, in addition to libido.


If you choose one of the testosterone boosters on our list, you won’t have to worry about dangerous side effects. However, beware of supplements labeled “high-strength” or anything similar. Products that claim to boost testosterone to outrageously high levels can cause a myriad of symptoms, including acne, sleep problems, smaller testicles, and irritability akin to “roid rage. ”

The Best Natural Testosterone-Boosting Ingredients

D-Aspartic Acid

As the star ingredient in most testosterone-boosting supplements, this amino acid found in eggs, dairy, and barley can increase testosterone levels in three ways:

stimulating the release of the essential luteinizing hormone
prompting Leydig cells in the testicles to produce more testosterone
speeding up the conversion of cholesterol into testosterone

As a result, d-aspartic acid can increase testosterone levels by as much as 60 percent after just 90 days of continued use, as seen in one study. The health benefits of d-aspartic acid are evident: higher sperm count, leaner muscles, and glowing confidence.

Fenugreek Extract

The seeds of the Mediterranean herb fenugreek are the source of an extract known as Testofen, which earned its name due to its role in helping the body produce and release free testosterone. This fenugreek extract also prevents aromatization, the process of converting testosterone into estrogen.

Nettle Leaf Extract

The extract from stinging nettle root and leaves increases the amount of free testosterone in the body by binding to the SHBG (sex-hormone-binding globulin), which would normally bind to testosterone and deactivate it.

Korean Red Ginseng Extract

More research is still needed, but many believe that red ginseng can combat erectile dysfunction, improving sexual performance in men.

Vitamin B6

Naturally occurring in fish, fruit, and starchy vegetables, this B-vitamin appears to contribute to the formation of hormones like testosterone, possibly by recycling the receptors, according to research. As a result, vitamin B6 correlates with improvements in irritability and energy levels as well as an increase in strength.

Vitamin D

Healers and doctors have long prescribed Vitamin D supplements, D3 in particular, to treat low testosterone. We get this vitamin from milk (including plant-based milks) and sunlight, so if you work at a desk job and stay inside most of the time, your body may be begging for some vitamin D.

Vitamin K1

The main form of vitamin K that we encounter in our diet, K1, is present in leafy greens and other vegetables. Vitamin K alleviates any inflammation in the testicles that may be reducing testosterone production.

Vitamin K2

After eating animal products such as meats, cheeses, and eggs, the bacteria in your body synthesize the nutrients to create vitamin K2, also known as menaquinone. Vitamin K2 helps keep your arteries clear of calcium buildup, which would block the flow of testosterone-boosting D3.


Mainly a product of the adrenal glands, DHEA is also produced in the testicles to some degree. Since DHEA does double duty as both a testosterone booster and an estrogen blocker, it has earned its place in many testosterone supplements on the market.

Tribulus Terrestris

Although research is ongoing, this fruit-bearing plant from the Mediterranean has recently demonstrated promise as a natural remedy for men struggling with low testosterone levels. In particular, tribulus terrestris has a reputation for improvements in athletic and sexual performance.


Ashwagandha is an ancient Indian herb used in Ayurveda, one of the world’s oldest forms of holistic medicine. One study revealed that men who take ashwagandha experience a boost in sperm quality as well as overall testosterone levels.


Ginger poses more benefits than just seasoning your food. In one research study, men saw a 17 percent increase in testosterone levels after taking a ginger supplement for three months. The ginger also doubled their luteinizing hormone levels and boosted their sperm count by 16 percent. Clearly, ginger is a powerful ingredient.


As the second most common trace element in our bodies, zinc aids in a host of processes in the body, such as the formation of the testosterone-producing luteinizing hormone. In addition to oysters, you’ll also find zinc in red meat and poultry.


Found in mineral deposits all over the world, boron aids the body in a plethora of ways:

increasing bone density
metabolizing vitamins and minerals
adjusting your levels of testosterone and estradiol—a type of estrogen

It occurs in a variety of things we eat, including apples, coffee, and nuts.


Crucial to the body’s function, magnesium is a mineral often found in whole grains and dark leafy greens. Magnesium supplements can help restore your free testosterone levels and sperm quality. One research study saw a sperm count increase of up to 80 percent in men who took magnesium.

Black Pepper Extract

Since it helps the body absorb other vital nutrients, piperine—the compound found in black pepper— significantly increases free testosterone levels when combined with magnesium. Plus, piperine stimulates the body’s fat-burning receptors TRPA1 and TRPV1 for faster fat loss.

Do Testosterone Boosters Have Any Side Effects?

Again, you probably won’t have any issues if you take all-natural supplements like the ones we’ve reviewed. Still, there are a few potential side effects you should keep an eye out for, especially depending on your body composition and medical conditions.

Testosterone generally plays a positive role in cardiovascular health, but in excess, testosterone can cause red blood cells to pile up, creating blood clots. Furthermore, overdosing on a testosterone booster can lead to cardiac arrest.

Research has also shown that testosterone boosters may cause noncancerous growth of the prostate gland. This enlargement shouldn’t affect your quality of life, but men already suffering from ailments like prostate cancer should avoid taking testosterone supplements.

Other side effects you may encounter include:

Acne and oily skin
Hair loss
Male breast enlargement, otherwise known as “man boobs”
Shrunken testicles
Worsened sleep apnea

To avoid the side effects listed above, make sure to take the supplement as directed. Many of these symptoms tend to occur when you’ve taken too much.

Final Thoughts – Are Testosterone Boosting Supplements Right for You?

Are you ready to reclaim the vigor of your youth? If so, you should use a natural supplement to boost testosterone. Whether you’re 45 or 65, the right time to start is now.

Of course, you should always consult your doctor before adding a new substance to your regimen, even though these supplements can increase testosterone levels with minimal health risks. You may have developed some medical conditions at your age that make it wise to discuss any kind of hormone-related treatment with your physician.

But if the doctor gives you the green light, then a testosterone booster may improve your overall health outside of the areas you anticipated--like energy, strength, libido, and general performance. You'll once again begin to feel like the man you used to be.

What are you waiting for? Replenish your T levels today by purchasing the best testosterone booster for you!

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