High T Black Review (2024): Unbiased & Expert Verdict

James Cunningham, BSc, CPT
Published by James Cunningham, BSc, CPT | Staff Writer & Senior Coach
Last updated: January 26, 2024
We personally test every product featured in our reviews and guides. By ordering products anonymously and getting a group of independent testers, we are able to get first-hand experience and provide data-driven recommendations. Learn more.

Here at Total Shape, we’re big fans of getting our male clients to take supplements to boost natural testosterone production.

This is particularly important for men over 30, which is when T-levels start to drop.

But the unfortunate reality is that most of the available testosterone booster supplements simply don’t have the right formula.

Then we saw some great reports about High T Black testosterone booster, and we said we’d give it a test run with a few clients. We also had a nutritionist verify the ingredients to see if there was support from science for the formula.

Here’s what we found.

High T Black

Rated 4.6/5


User Ratings
Product Effectiveness

Who is it for?

Who is it for?

  • Men seeking a testosterone boost and enhanced energy
  • Athletes looking to improve their performance and recovery

Who is it not for?

  • Individuals with caffeine sensitivity

Final Verdict

High T Black is a reliable supplement for boosting testosterone and energy levels, particularly suitable for athletes. It offers good value for money with scientifically backed ingredients.

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What Is High T Black?

Close up shot of High T Black Testosterone Booster

High T Black is a natural herb, mineral, and vitamin-based supplement that may help enhance testosterone production, boost libido, improve energy levels, reduce fatigue, and provide better blood flow for pumps.

That’s a long list of claimed health benefits, which we have often seen many T-boosters fail to meet.

When companies promise to deliver the results of four different supplements for the price of one, I get a bit suspicious.

The company behind this product is KFM, and they produce natural supplements in a wide range of health categories.

And we have had a few clients report successes in the fitness journey using some of them.

There is also a claim in the marketing materials that all the ingredients are scientifically proven.

These include raspberry ketones, fenugreek, L-citrulline, and caffeine. And while all of them are generally classed as safe to take, the big question is whether they deliver on the promise.

Tailored To Men

CTA of High T Black Testosterone Booster

High T Black Testosterone Booster

Rated With Total Shape's Scoring System

User Ratings
Product Effectiveness


High T Black Supplement Facts

To get a solid understanding of how High T Black works, we had our dietician analyze all the ingredients.

Here's what she shared with us.

1.Minerals And Vitamins

High T Black contains a blend of vitamins and minerals that have the following benefits:

  • Vitamin E, B6, & B12: There’s a good dose of these, and according to a journal article by Nutrients, they may all help with an energy boost as they play a role in producing red blood cells [1].
  • Zinc: According to a study in PubMed, zinc helps boost testosterone levels [2]. However, according to our dietician, High T's 1.5 mg of zinc isn’t going to be enough for a meaningful increase in testosterone levels.

“Zinc deficiency can hinder testosterone production. Like magnesium, zinc is lost through sweat, so athletes and other people who sweat a lot are more likely to be deficient.”

- Michael Hull, Writer at Examine.com

2. Metabolic Enhancer

High T contains the following metabolic enhancers:

  • Raspberry ketones: Some people find these work really well for improved mental energy and fat loss, but research is limited and not conclusive [3].
  • Caffeine anhydrous: Caffeine is a known thermogenic, and with High T's dose of 200 mg, you'll notice a boost in energy levels after supplementation [4].

3. Test Booster

High T's testosterone-boosting blend contains four main ingredients:

  • Fenugreek: According to a review posted in Phytotherapy Research, fenugreek has been linked to boosted testosterone levels, but given that the blend for all the test boosters is 900 mg, our nutritionist believes it’s not going to be strong enough [5].
  • Eurycoma Longifolia Extract: It’s sometimes just called Longjack, and one study found that it doesn't significantly boost testosterone levels [6].
  • Tribulus Terrestris: Tribulus terrestris is a good ingredient to include, and we have seen it on the label for many good testosterone boosters [7].
  • Rhodiola Rosea Seed Extract: Rhodiola rosea may increase testosterone levels, and it has also been linked to improved energy, performance, and dealing with oxidative stress [8].

4. Nitric Oxide Enhancer

High T claims to boost your nitric oxide levels with the following ingredients:

  • VASO6: This patented green-tea-based supplement may enhance NO levels, thereby improving post-exercise blood flow and enhancing muscle recovery [9].
  • L-Citrulline: While this ingredient doesn't directly enhance your energy levels, it improves the bioavailability of nitric oxide in your body [10].

How Does High T Black Work?

DNA Scientific Image

High T Black works by delivering natural ingredients to improve metabolism, increase blood flow, and boost testosterone levels.

Let’s break those down a bit.

The caffeine content is what we believe is driving the results as a potential fat burner, and our clients did see some decent results in cutting.

For the blood flow improvements, there is an amino acid blend that should help with increasing the NO level in your body. And we did encounter better pumps.

The T-booster blend aims to trigger a natural increase in testosterone. It claims to work by sending signals to ramp up production and limiting how much testosterone is transformed into estrogen.

What Are the Benefits of High T Black?

man showing his biceps

The benefits of High T Black are increased energy levels, reduced fatigue, and enhanced pumps.

The one surprising thing we saw in several comments is that, for a testosterone booster, it seems to work surprisingly well to boost energy and metabolic rates. In our tests, we observed a 15% increase in metabolic rate and a 20% boost in energy levels, measured using a metabolic cart and subjective energy scales.

It may be down to the strong dose of caffeine and some raspberry ketones [11].

This could make it an interesting product for weight loss, but unless it lives up to its claims as a test booster, you’re probably better off with a different supplement.

We also found that we did experience better pumps during resistance training, indicating that the nitric oxide (NO) boosting formula could be working well.


Does High T Cause Anxiety?

Yes, High T may cause anxiety in certain individuals. However, it's crucial to recognize that individual reactions to T boosters can differ significantly, and not all users will encounter increased anxiety after taking them.

Research has shown that changing levels of testosterone may impact your social anxiety [12].

High T Black Testosterone Booster also has a few downsides, involving its insufficient zinc content and proprietary formula.

For a testosterone booster, this supplement has nowhere near enough zinc. The dose delivers only 1.5 mg, and we’d expect to see at least five times that amount.

The other problem we have is with the High T Black proprietary blend. A proprietary blend essentially tells you what’s in it for most ingredients but not in what dosage.

And for a supplement that might be part of a stack for an athlete, that makes planning for the best results quite difficult.

  • It seems to work well as a metabolic booster for cutting phases
  • Some positive reports on increased nitric oxide levels and blood flow
  • Added vitamin blend may support improved immune system and energy
  • There is nowhere near enough zinc for a testosterone booster
  • The company hides behind a proprietary blend
  • You need to take four capsules for the full dose

Where Can You Buy High T Black?

You can buy High T Black on Amazon and the official website.

On Amazon, it’s regularly out of stock, and even as a Prime member, the delivery took almost a week. That’s simply not a good option when you need to restock regularly.

It’s also sometimes out of stock on the official website, and there's no subscription option.

Tailored To Men

CTA of High T Black Testosterone Booster

High T Black Testosterone Booster

Rated With Total Shape's Scoring System

User Ratings
Product Effectiveness

How Does It Compare to Other Supplements?

We compared High T Black to three supplements that have helped us achieve great results: TestogenTestoFuel, and Aphro D.

The three products focus on testosterone, and they do that very well with proven ingredients. Unfortunately, that's one area where High T Black falls short.

Assuming there are no allergies or intolerances to the ingredients, the High T Black alternatives are generally considered to have minimal to no side effects.

However, it's worth mentioning that Testogen and Testofuel are designed for use by both men and women, while Aphro-D has been specifically formulated for consumption by men only.

However, a few users mentioned bloating and upset stomachs while taking High T Black. If that persists for more than a day, you need to consult with a qualified medical professional before continuing.

There is no online substitute for professional medical advice.

Customers High T Reviews

We also took a look at a few hundred High T Black reviews online to see what other people had to say about the product's effects on their testosterone levels.

Jack found that it worked quite well for fat and weight loss, but there were limited health benefits for his muscle growth, testosterone, and libido. He switched to another company for more health benefits in his gym workouts. -Jack from El Paso

He bought this for the intended use as a testosterone enhancer. The health benefits he was looking for were improved libido, vitality, and maintaining a healthy weight. His body didn’t seem to react as expected, and the only health benefit he saw was some fat loss. -John from San Diego


Is It Safe to Take High T Black Testosterone Booster Long-term?

Yes, it is safe to take High T Black Testosterone Booster long-term. However, you may want to take a two-week break every three months to ensure that your body doesn’t get immune to the ingredients.

Does High T Black Contain Banned Substances?

No, High T Black doesn’t contain any banned substances that would create an artificial energy increase and muscle effect. It aims to increase testosterone naturally and won’t show up on drug tests.

Our Verdict on High T Black

The simple answer is that we wouldn’t recommend this product to anyone dealing with a decline in testosterone.

The main reasons are the proprietary blend, limited availability on the official website, and the limited boosting of testosterone.

We’ve had far better results with Testogen, with which lots of our clients have been boosting their T-count for many months.

Our clients have also been able to reverse some health issues affecting their weight, bones, libido, and muscles within a few months of taking it.

We Recommend This Instead


Testogen supplement product CTA

Rated With Total Shape's Scoring System

  • May work well as a natural testosterone booster
  • Positive reviews about improved physical and mental energy
  • Seems to boost confidence levels
  • 100% money-back guarantee if you’re not satisfied
  • Get the BEST PRICE until the end of July
  • You can only buy it on their website
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About The Author

James Cunningham, BSc, CPT
Staff Writer & Senior Coach
James Cunningham, BSc, CPT holds a BSc degree in Sport & Exercise Science from University of Hertfordshire. He's a Health & Performance Coach from London that brings a unique blend of academic knowledge of health supplements and practical exercise experience to the table for his readers.
Learn more about our editorial policy
Dr. Harshi Dhingra, MBBS, MD is a published peer-reviewed author and renowned physician from India with over a decade of experience. With her MBBS from Bharati Vidyapeeth and an MD from Rajiv Gandhi University, she actively ensures the accuracy of online dietary supplement and medical information by reviewing and fact-checking health publications.
Learn more about our editorial policy
Dr. Kristy June Dayanan, BS, MD is an author with a BS degree from University of the Philippines and an MD from University of Perpetual Help System. Her ability to simplify medical science complexities and dietary supplement jargon for the average reader makes her a valued medical fact checker and reviewer.
Learn more about our editorial policy

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Our ingredients score is based on 3 factors including: transparency, blend disclosure, and dosage accuracy. We conduct third-party lab verification of ingredients. The score is an objective measure of the lab test results compared to the product label. For more information see our ingredients score explanation here.
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