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First of all, you'll be pleased to hear, the ingredients in TestoFuel are all natural and safe, yet very powerful. They have been carefully selected and tested to ensure you feel the benefits of increased testosterone as quickly as possible.

TestoFuel does not contain actual testosterone, it works by helping your body to release its own testosterone. Much better than the risk attached to taking synthetic testosterone in the form of steroids. Sometimes, for various reasons, your body may need a little help to produce sufficient quantities of testosterone. Your levels may be fine for a normal lifestyle, but when you're trying to build a jaw dropping physique, you need to raise your game.

TestoFuel contains specifically selected nutrients, which have been shown to increase testosterone release in the body. More testosterone means more growth, bigger muscles, more energy, faster recovery and a host of other effects essential for bodybuilders.

Imagine if you had a large dial which controlled your testosterone level. The nutrients in TestoFuel turn the dial to maximum, ensuring you have all you need to support the fastest growth possible.


    TestoFuel has been recently formulated using the latest studies and ingredients. You’re not getting a product that was made years ago and forgotten about.

    We don’t hide our formula behind a proprietary blend. Every ingredient and amount is clearly laid out for you to see.

    LARGE DOSES of the right ingredients. We don’t just add a bit of everything in to make it look like it works. You get a full serving of each key ingredient. That’s 120 large red capsules in every bottle.
  • All of the following ingredients inTestoFuel, have been
    chosen for their
    testosterone boosting power:

    D-Aspartic Acid
    (DAA)D-Aspartic Acid

    As an important amino acid, D-AA is responsible for not only regulating testosterone synthesis, but growth hormone production and muscle mass too.

    It plays a key role in boosting the parts of the brain that regulate hormone release, especially luteinizing hormone – a T pre-cursor released from your pituitary gland that essentially tells your testes to make more T.

    One study found that when a group of men supplemented D-AA for as little as 90 days, T levels rose by an average of 30-60%[1].
    Not only that, but sperm count went up by 60-100% too.

    1. D’Aniello, S et al. D-aspartate, a key element for the improvement of sperm quality. Adv. Sex. Med. 2012; 2: 47–53

    Vitamin DVitamin D

    This nutrient is often referred to as the sixth steroid hormone because of its ability to support your male hormones. It’s a nutrient that’s produced in the body when it comes into contact with UV rays from the sun – the problem is though that particularly in the west, we just don’t get enough of it, so a supplement is a must!

    Numerous, exhaustively researched clinical trials have shown that vitamin D can kick-start testosterone levels. One of these studies found that 3,332 IUs of the vitamin boosted testosterone to significantly higher values[2].

    Another study, published in the Journal of Science and Medicine in Sport[3], found that doses of 4,000 IU and above helped a group of athletes increase strength and muscle mass. And doses of 5,000 IU have been found to elevate muscle mass, bone health, athletic performance and strength - all with absolutely no side effects.

    Not only that, higher doses of vitamin D can also reduce muscle soreness[4], improve cognitive performance[5] and maximal endurance too[6].

    We chose to put vitamin D in TestoFuel because there seriously isn’t a better natural stimulator of testosterone. Period.

    2. Pilz, S et al. Effect of vitamin D supplementation on testosterone levels in men. Horm Metab Res. 2011;43(3):223–225
    3. Tomlinson, PB et al. Effects of vitamin D supplementation on upper and lower body muscle strength levels in healthy individuals. A systematic review with meta-analysis. J Sci Med Sport. 2015 Sep;18(5):575-80.
    4. Barker, T et al. Supplemental vitamin D enhances the recovery in peak isometric force shortly after intense exercise. Nutr Metab (Lond) 2013; 10: 69
    5. Kenny, AM et al. Effects of vitamin D supplementation on strength, physical function, and health perception in older, community-dwelling men. J Am Geriatr Soc. 2003; 51(12): 1762-7
    6. Jastrzebski, Z. Effect of vitamin D supplementation on the level of physical fitness and blood parameters of rowers during the 8-week high intensity training. Facicula Educ Fiz si Sport. 2014; 2:57-67

    Oyster Extract

    What’s the first food you think of when you’re wanting to boost your libido? Oysters of course.

    And you wouldn’t be wrong to think that ether, as it’s a well-known aphrodisiac food. Research shows a clear link between this zinc-rich food and its ability to elevate testosterone.

    In fact, oysters are the best source of zinc you’ll find – around 10 times the amount you’ll find in beef steak. And it’s the zinc that’s the key ingredient in this food, because prostate tissue requires more zinc than any other cells in the body.

    Numerous studies have found that oyster extract improves reproductive function, keeps testosterone receptors firing on all cylinders, and also inhibits aromatization – the process by which some of your testosterone converts to estrogen[7]. This means more masculinity, less belly fat and the dreaded man boobs.

    7. Matsuda, Y et al. Effects of oyster extract on the reproductive function of zinc-deficient mice: bioavailablity of zinc contained in oyster extract. Congenit Anom. 2003; 43(4): 271-9


    This Asian herb has been shown to improve mood and cognitive ability – it’ll keep your immune system strong to.

    Originally used as a libido enhancer and aphrodisiac, ginseng has recently been found to directly influence testosterone levels too. One study found that short-term use of the herb, increased both testosterone and its potent derivative DHT[8]. On top of that, it increases the release of luteinizing hormone (LH) and adrenocorticotropic hormone (ACTH), both of which help to stimulate testosterone release.

    The benefits don’t end there either though. Because ginseng also has the ability to boost muscle pumps by elevating levels of nitric acid in your blood, and helps to improve insulin sensitivity[9], which can help you shred body fat and stay lean.

    8. Salvati, G et al. Effects of panax ginseng C.A. Meyer saponins on male fertility. Panminerva Med. 1996; 38(4): 249-54
    9. Pitteloud, N et al. Relationship between testosterone levels, insulin sensitivity and mitochondrial function in men. Diabetes Care. 2005; 28(7): 1636-1642


    Fenugreek is a herb you’d find in Mediterranean climates. Much like ginseng, it’s commonly used in Asian cuisine and has a sweet and distinctive aroma.

    Packed full of zinc, magnesium and selenium, fenugreek has the ability to slam the brakes on sex hormone binding globulin (SHBG). This protein is responsible for swallowing up testosterone in your blood stream so if it’s inhibited, your ‘free’ testosterone can do it job much more effectively.

    Studies show that even with modest amounts of the herb, both total and free hormone levels are significantly ramped up[10].

    10. Wilborn, C et al. Effects of a purported aromatase and 5α-reductase inhibitor on hormone profiles in college-age men. Int J Sport Nutr Exerc Metab. 2010; 20(6):457-65


    Serving Size: 4 capsules
    Servings Per Container: 30
    Amount per serving % Daily Value
    Vitamin D3 5000 IU
    Vitamin K2 18 mcg 23
    Vitamin B6 (as Pyridoxine HCI) 5 mg 250
    Magnesium (as Magnesium Aspartate) 200 mg 50
    Zinc (as Zinc Monomethionine and Aspartate) 10 mg 67
    D-Aspartic Acid 2300 mg **
    Asian Red Panax Ginseng 100 mg **
    Fenugreek (Seed) 100 mg **
    Oyster Extract 100 mg **

    ** Daily Value Not Established
    Other Ingredients:
    gelatin, silicon dioxide, magnesium stearate, FD&C Red 40.