TestoJack 300 Extra Strength Review – Is It Effective?

TestoJack 300 Extra Strength is a male enhancement medication that helps to achieve better sexual performance and harder erections during physical interaction.
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What Is TestoJack 300 Extra Strength?

The TestoJack 300 Extra Strength is a supplement designed for the boosting of testosterone levels in your body. The aim of the product is to enable its consumer to gain better physical and sexual performance.

This is inclusive of a gain in muscle & bone mass, again in muscle strength & endurance, a boost in energy & vitality, and a boost in muscle pumps. The supplement helps also with increased sexual desire/libido.

The product’s design promotes an ample environment for free testosterone production in the body through various activities including the inhibition of enzymes and neutralizing of factors that lower the production of healthy levels of testosterone.

TestoJack 300 Extra Strength
Editor’s Rating
3.8 / 5.0
Testojack 300 Extra Strength Reviewer Rating

Brand Highlights

  • Includes Eurypeptides and Saponins compounds.
  • Does not contain yeast, wheat, gluten, soy, milk, shellfish, or tree nut.
  • Contains natural ingredients.
  • 30-days refund policy.

Buy on WalmartBuy on Amazon*All the prices mentioned on their websites are subject to change.


  • Brand:NOW
  • Type:Capsule
  • Benefits:Delivers 300 mg of non-gmo tongkat ali extract per capsule.
  • Ingredients:Saponins/Glucoside, Eurypeptides, Cellulose (capsule), Magnesium stearate (vegetable source), Cellulose powder and Silica.
  • Cost$39.99
  • DosageTake one capsule a day.

Pros and Cons of TestoJack 300 Extra Strength


  • The boost of testosterone production.
  • May see an improvement in both physical and sexual performance.
  • Better strength and endurance.


  • Only formulated with one ingredient.
  • May see the changes after a few months instant changes might not be observed.

How Does TestoJack 300 Extra Strength Rate?

Overall Rating: 3.8

Key Points Rating
Manufacturer 3.8
Safety 3.9
Customer Reviews 3.7
Money-Back Guarantee 3.8

TestoJack 300 Extra Strength Claims & Features – What You Need To Know?

The TestoJack 300 Extra Strength testosterone supplement is manufactured by the company, NOW; NOW Foods. The TestoJack 300 Extra Strength supplement is said to be a dietary supplement of vegetarian/vegan nature.


*All individuals are unique. Your results can and will vary.

The supplement is claimed not to contain yeast, wheat, gluten, soy, milk, shellfish, or tree nut ingredients but is processed in a facility that processes other ingredients that contain these allergens.

The TestoJack 300 Extra Strength has been said not to be suitable for children or adolescents, only suitable for adult men. Persons as with already high levels of testosterones are advised not to use the product as it may heighten the chances of negative side effects.

The manufacturers of the supplement claim that TestoJack has been formulated with non-GMO Tongkat Ali extract per capsule.

What Are the Ingredients in TestoJack 300 Extra Strength?

The main, seemingly only active, ingredient featured in the testosterone-boosting supplement is Tongkat Ali of 300mg. It is also referred to as Malaysian Ginseng, Longjack, and scientifically as Eurycoma Longifoia Jack Extract.

Every part of the plant is valuable for use by herbalists of Southeast Asia in traditional medicine but it’s the root part that is most looked for. The plant has bioactive compounds that help it achieve its benefits which include:

Saponins / Glucoside

  • It will lock onto sugar chains and deactivate them and thus help with minimizing cholesterol levels, lower cancer risks, and promoting the health of your immune system. It protects your bone health and is enriched with anti-oxidants that will help neutralize free radicals damage.


  • Helps with the restoration of testosterone to a normal level in the user’s body. Boosts the levels of free testosterone[1].
  • It helps with boosting the levels of ATP to increase energy levels. It increases one’s libido. Contains aphrodisiac properties. Helps increase muscle mass and leanness.

Other ingredients Cellulose (capsule), Magnesium stearate (vegetable source), Cellulose powder, and Silica.


*All individuals are unique. Your results can and will vary.

TestoJack 300 Extra Strength FAQs

Q.How to Take TestoJack 300 Extra Strength?

A: Each bottle of the TestoJack 300 Extra Strength caters to a one-month supply. Each bottle here contains 60 capsules and it is recommended for one to take one capsule per day or as recommended by your health care professional.

The TestoJack 300 Extra Strength should not be taken on an empty stomach. For more specific instructions, check the product’s label. Also, do not use the supplement to diagnose, treat, cure, or prevent any disease.

Q.Where to Buy TestoJack 300 Extra Strength?

A: The TestoJack 300 Extra Strength supplement is sold at various online stores and as such prices tend to vary from one store to another. The product seems to go for as low as $19.99 for a single bottle for a month’s supply.

How We Researched & Rated?

Here is our score, based on scientific evidence, of how likely TestoJack 300 Extra Strength will be effective for its claimed benefits:

  • Increase Natural Testosterone*3.7/5
  • Long-lasting Erections*3.1/5
  • Stronger and Bigger Erections*3.5/5
  • Increase Sperm Volume*3.4/5

We used the insights from our research and testing to assign a star rating from one to five (five being the best; one being the worst) to this product.

The Bottom Line

There are clinical trials that support the use of Tongkat Ali as a safe and effective way of boosting testosterone. The TestoJack 300 Extra Strength supplement has claimed to have included a concentrated version of Tongkat Ali, which would mean that the user’s body gets a better reaction to the ingredient.

However, there is concern over the fact that concentrating on one ingredient may not be adequate enough to deliver all the benefits the supplement promises.

The TestoJack 300 Extra Strength supplement is a product coming from a seemingly well-known company, maybe with a good reputation, and as such a money-back guarantee would be a good option to the customers.

With countless male enhancement supplements available on the market today it seems impossible to find "the right one." Sexual performance declines naturally as men age, which may contribute to feelings of inadequacy or embarrassment. Male enhancement supplements should be based on four key factors: active ingredients, ability to support sexual stamina, enhance arousal, improved* sexual desire and backed by clinical studies.

Below you'll find some of the most effective male enhancement supplements on the market today, in our opinion.

Rating Table

Our Top Male Enhancement Supplements


Performer 8

Performer 8 Overall rating 4.9/5 Overall rating Read Full Review
  • Increase Sexual StaminaIncrease Sexual Stamina
  • Improves Sexual StrengthImproves Sexual Strength
  • Increase Natural TestosteroneIncrease Natural Testosterone
  • Increase Sperm VolumeIncrease Sperm Volume


  • Helps in regaining sexual enjoyment.
  • Reinvigorates & re-energises the sexual drive.
  • Satisfactory sexual experience with orgasms.
  • Rock hard and long-lasting erections.


  • Only available on the official website.
  • Not suitable for women and young boys.
Bottom Line

Performer 8's herbal complex works in 8 powerful ways to help men revitalize their sexual stamina, strength, and vitality— no prescription necessary. Shop Performer 8 Pills Dietary Supplement for Men (1 Pack) online at best prices on their official website.

Check Price

VigRX Plus

VigRX Plus Overall rating 4.8/5 Overall rating Read Full Review
  • Harder and Firm ErectionsHarder and Firm Erections
  • Improve Sexual StaminaImprove Sexual Stamina
  • Boost Sexual DesireBoost Sexual Desire
  • Helps Improve EnduranceHelps Improve Endurance


  • Safe formula for promoting length, girth and strength.
  • Boosts energy levels.
  • Enhances testosterone production.
  • Faster recovery from sexual encounters.
  • Satisfied sexual experience.


  • Continued use is required for best results.
  • May interact with other medications.
Bottom Line

VigRX Plus Male Virility Supplement is great for men that want to enhance their erection size and performance. VigRX will help you experience bigger, harder and longer lasting erections, an increased sex drive, more powerful and intense orgasms and less waiting between erections.

Check Price


Cilexin Overall rating 4.8/5 Overall rating Read Full Review
  • Supports Arousal and MoodSupports Arousal and Mood
  • Supports Male HealthSupports Male Health
  • Supports Male LibidoSupports Male Libido
  • Sexual Health SupportSexual Health Support


  • Made of natural ingredients.
  • Boost sexual desire and performance.
  • Increase stamina and endurance.
  • Stimulate the circulation of blood.


  • Stock is sometimes low due to high consumer demand.
  • Individual results may vary.
Bottom Line

Cilexin is made in the US within an FDA registered facility that strictly adheres to Good Manufacturing Practice (GMP) guidelines. Ingredients are high-quality domestic and imported. Each bottle of Cilexin includes 60 tablets. This is equivalent to a 1-month supply when used as directed.

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Extenze Overall rating 4.7/5 Overall rating Read Full Review
  • Long-lasting ErectionsLong-lasting Erections
  • Sexual Stamina and EnergySexual Stamina and Energy
  • Increase Sexual DesireIncrease Sexual Desire
  • Stronger and Bigger ErectionsStronger and Bigger Erections


  • Boost libido and endurance at their peak.
  • Promote sexual arousal.
  • Enhances pleasure and performance.
  • Fast acting extended release liquid gelcaps.


  • Individual results may vary.
  • May not suitable for everyone.
Bottom Line

The power of ExtenZe formulated with increased testosterone support for men, extenze with testosterone boost is designed to restore and revitalize your manhood.

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Male Extra

Male Extra Overall rating 4.7/5 Overall rating Read Full Review
  • Improve Libido & Increase StaminaImprove Libido & Increase Stamina
  • Fuller, Firmer, & Longer ErectionFuller, Firmer, & Longer Erection
  • Support Better OrgasmsSupport Better Orgasms
  • Improve Sexual PerformanceImprove Sexual Performance


  • Improve erectile function and sperm production.
  • Increase the size and girth of the penis.
  • Maintains stronger and harder erections.
  • Increase orgasmic pleasures at their peak.


  • Only recommended for adults.
  • Individual results may vary.
Bottom Line

Male Extra aims to give you bigger, harder erections as well as improving your libido and sexual performance.

Check Price

1 Source

We review published medical research in respected scientific journals to arrive at our conclusions about a product or health topic. This ensures the highest standard of scientific accuracy.


Jason Vredenburg is an independent health writer. A nutrition counselor at first, he has built a strong passion for health communications, exploring possibilities in the sector with a master’s degree in integrative health to cap up his interest. A stern contributor to wellness blogs, health articles, and newsletters, Jason has got a strong grip on web content management through consistent practice keeping taps with latest trends in web marketing, search engine optimization (SEO) and social media marketing. When not with pen and paper on health articles, he’s likely hanging out with Ingram Content Group, creating another inspiring blog for clients or giving life to a stale blog to attract readers. Follow him on LinkedIn.

Customer Reviews for Testojack 300 Extra Strength

TestoJack 300 Extra Strength Review – Is It Effective?
3.8 / 5.0
Testojack 300 Extra Strength Reviewer Rating
Review this Product
Write a Review
  1. Sean Ward

    There is no horny feeling!!
    Testojack 300 Extra Strength compared first, from the thinnest 300… Libido also rises there, but there is no horny feeling as expected, not with gingin. It’s more energetic than usual… and the next is LJ100.


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