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TestoFuel Review

TestoFuel Review (leadspring 7)

When a testosterone booster is mentioned, the first thing that comes to people’s minds is illegal substances that athletes are caught using.

Then I end up explaining that there are products that can increase testosterone levels without any side effects, which are completely natural and safe to use.

Testofuel is one of them.

I am extremely careful with what I recommend to my clients and what I put into my body. Before trying this product, I did countless hours of research on ingredients, side effects, and reviews from other people.

Here’s my TestoFuel review, which includes my experience with this testosterone booster.

What is TestoFuel?

TestoFuel belongs to dietary supplements made with natural ingredients that boost your body’s testosterone production.

“I like taking TestoFuel because I go to the gym and have a bottomless amount of energy, from the beginning till the end of the workout. You feel more energized, more ready to go and handle the heavyweight because your body is being stimulated by something balanced.” Robby Robinson, 6x Mr. Olympia category winner

TestoFuel is designed to:

  • Boost muscle growth
  • Help you have a positive mindset
  • Increase the libido
  • Improve your physique
  • Enhance physical strength

TestoFuel is safe to use because it doesn’t contain testosterone but has natural ingredients that make the body increase testosterone production. Better testosterone levels will lead to muscle gain, and you can see results in about 3 to 4 months.

About RoarAmbition Ltd

TestoFuel is manufactured by the UK-based sports supplement company Roar Ambition. It was founded in 2014, and its headquarters are in Leeds, UK.

Roar Ambition is behind leading supplements on the market nowadays, such as Instant Knockout, Prime Male, and Hunter Burn.

They claim only to use natural ingredients backed by scientific research. In addition, all of their supplements are made in FDA and CGMP-approved facilities, so you can be assured they’re safe.

How Does TestoFuel Work?

TestoFuel uses natural ingredients that play off each other and trick the body into producing more testosterone.

This is a natural process. TestoFuel doesn’t contain any chemicals or hormones. Therefore, synthetic testosterone won’t be introduced into your body.

Instead, TestoFuel has plant extracts, vitamins, and minerals which the body needs to increase actual testosterone levels.

Another important thing TestoFuel does is reduce the sex hormone-binding globulin — a protein that lowers testosterone and impedes muscle building.

Note: TestoFuel isn’t a magic pill that will help you gain muscle mass overnight. This should be an addition to a healthy diet, a regular workout routine, and a healthy lifestyle. Then, you’ll start noticing the effects after several weeks.

>>> CLICK HERE to try TestoFuel TODAY

TestoFuel Ingredients

TestoFuel contains nine scientifically proven ingredients to accelerate muscle growth, help muscle gains, increase testosterone levels, and help you have a better workout.

I especially liked that there aren’t any proprietary blends, but all the ingredients and their amounts are clearly stated on the label.

D-Aspartic Acid (DAA)

D-Aspartic Acid is an amino acid found in food and naturally in the body in the central nervous system and reproductive tissues.

It works in the brain, where it releases hormones such as the luteinizing hormone, which stimulates Leydig cells in the testes to produce more testosterone. (1)

One TestoFuel serving has 2300mg of DAA. If you take TestoFuel regularly, you’ll experience a spike in testosterone between 30 to 60%. Moreover, DAA can help you gain muscle mass.

Oyster Extract

This ingredient that’s unique to the TestoFuel formula. Each serving has 100mg of this ingredient.

The oyster extract contains zinc, iron, and Vitamin D, all of which are beneficial for the body, especially zinc.

Zinc is a mineral important for a healthy prostate, and it helps the body produce testosterone.

Also, oysters serve as an aphrodisiac, which means they have the natural ability to fuel libido.

Vitamin D

We get Vitamin D directly from the sun, and Vitamin D3 is found in fatty animal foods. It's one of the natural testosterone boosters, and it’s helpful with:

  • Enhancing endurance
  • Reduce muscle soreness
  • Enhancing male sex hormones
  • Helping body absorb calcium which prevents osteoporosis

Studies show that men who have Vitamin D deficiency have low testosterone levels, and this vitamin can help increase testosterone and support the male reproductive tract. (2)

TestoFuel has 5000IU per serving.

Vitamin K2

Vitamin K2 is important because it metabolizes calcium, which prevents calcium from building up around vital organs.

Vitamin K2 deficiency can lead to lower T levels. It works best with Vitamin D3 because together, they are natural testosterone boosters in the testes.

It also helps you build muscle and can help prevent prostate cancer.

Vitamin B6

Vitamin B6, or pyridoxine, is important because of its role in protein synthesis — the process the muscles go through to repair after you work out. It supports poor protein synthesis and helps with building muscle.

Its other functions include:

  • Converting into energy food sourced from carbs
  • Regulates hemoglobin
  • Reduces estrogen levels
  • Raises testosterone levels (3)


Fenugreek is an extract from the seed of a plant. It’s significant because it helps block sex hormone-binding globulin from impeding the body to naturally produce testosterone. (4)

Apart from its ability to boost testosterone and libido, this is also a muscle-building supplement because it supports muscle growth.

Fenugreek can help you control your appetite, which results in lower body fat.

TestoFuel contains 100 mg of Fenugreek per serving.

Asian Red Panax Ginseng

Ginseng is a plant extract. It’s a potent antioxidant and most notably can reduce inflammation which helps with muscle soreness.

It also helps:

  • Improve the immune system
  • Stabilize blood sugar levels
  • Increase energy levels
  • Increase libido

A serving of TestoFuel has 100mg of ginseng.


Magnesium is a crucial mineral that the body needs for everything — from enzymes, immune system, bone health to muscle repair and endurance.

Magnesium is also helpful in raising hormone levels in men who have testosterone deficiency. (4)


Zinc is an essential mineral and a natural testosterone booster. If your body has zinc deficiency, the androgen receptors will be inefficient, which leads to low levels of testosterone.

Zinc also decreases the conversion of testosterone to estrogen.

Finally, zinc causes brain reactions that help testosterone release in the blood.

TotalFuel Pros and Cons


  • Boosts testosterone in your body
  • Natural dietary supplement with scientifically proven ingredients
  • Helps build muscles
  • Money-back guarantee
  • Increases libido
  • Increase energy
  • Improves mood


  • Oyster extract is an allergen
  • Only available on the official website
  • Might be on the pricier side of things for some people
  • Not suitable for vegans and vegetarians — capsules contain gelatin

>>> CLICK HERE to order TestoFuel TODAY

How to Take TestoFuel for Testosterone Production and Muscle Growth

You should consume TestoFuel every day. Take four capsules per day with a lot of water.

The manufacturer says you should take TestoFuel for at least two months to see the results and get the benefits.

This is what I did. I first started noticing the effects after a couple of weeks and continued using the product.

TestoFuel doesn’t have to be cycled, so you can take it without taking breaks.

Possible Side Effects

TestoFuel doesn’t have any chemicals or artificial stimulants, so it’s safe to use.

It doesn’t even contain caffeine, so it’s a good choice if you’re caffeine-sensitive.

When checking the reviews and using this product myself, I did not notice any side effects. Of course, if you start feeling bad, consult your physician.

Where Can I Buy TestoFuel?

You can buy TestoFuel on the official website. I always recommend buying straight from the manufacturer to make sure the product you’re using is legit.

TestoFuel Cost

You have three options to choose from when buying TestoFuel:

  • One bottle $65.00 + shipping
  • Two bottles $130 — free shipping to the US and UK
  • Three bottles + 1 free box $195.00 — free worldwide delivery and two nutrition and workout guides
  • 5 boxes + 2 free boxes $260 — free worldwide shipping, 2 free ebooks on nutrition and workout guides

Should You Buy TestoFuel?

TestoFuel is one of the best muscle gain supplements out there. It’s a natural product, and it’ll boost the testosterone level of men aged 30+.

The ingredients used are all backed by scientific studies, and the benefits go beyond raising T levels.

This is a great product for athletes who want to build muscle safely.

I’ve been using this product for months, and my experience has been positive. Check out the TestoFuel offer on the official website, and make use of their money-back guarantee today.


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