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MTS Nutrition Machine Fuel - Intraworkout BCAA Supplement

"I knew the power of Intraworkout Nutrition with the proven BCAA ratio of 2:1:1 Leucine:Isoleucine:Valine when I first tried it. I knew it would be the next big thing in the sport nutrition industry. So I set out relentlessly to educate the world on this miraculous yet basic supplement. Years later, it is still a growing category and with MTS Nutrition Machine Fuel I had a chance to improve upon an already amazing category. Machine Fuel is my choice for intraworkout BCAA supplementation and if anyone knows intraworkout supplementation, it’s me."

-Marc Lobliner, CEO of MTS Nutrition


We all know recovery is crucial when it comes to building lean muscle mass. However, most are unaware of the fact that they are breaking down muscle tissue when they train, not building it. This is why proper rest and nutrients are essential if you are looking to maximize your gains. Protein is the building blocks of muscle and Amino Acids are the building blocks of protein! Amino Acids are the key macronutrient responsible for creating muscle.

Marc "The Machine" Lobliner created the "intraworkout" category in 2004. His belief in the benefits of BCAA was so great that he traveled around the world educating individuals on the importance of BCAA during training. Thereafter, a new, enormous category was born and several studies validating the importance of BCAA during training surfaced. Adhering the most stringent quality control standards, Machine Fuel combines the proven 2:1:1 ratio of BCAA to enhance recovery and reduce muscle breakdown with AgmaPure for enhanced pump and protein assimilation, Taurine for cellular hydration and coconut water powder to naturally replace electrolytes lost during training. The BCAA in Machine Fuel are derived from 100% VEGAN INSTAMINOS.


L-Leucine (3g), L-Isoleucine (1.5g), L-Valine (1.5g)

L-Leucine: Deemed as the most important of the three BCAAs, L-Leucine positively affects muscle protein synthesis (Blomstrand et al., 2006) which aids in promoting new muscle growth. This is extremely important when striving for hypertrophy and adding quality lean muscle mass. L-Leucine helps prevent the breakdown of muscle, or muscle wasting (atrophy/catabolism) itself. This can be extremely important when dieting and trying to maintain as much muscle mass as possible. When L-Leucine is metabolized, ketones are produced (Holmes et al, 1995) and are used as a source of energy and fuel for both the brain as well as the body.

L-Isoleucine: One of the three branched chain amino acids, L-Isoleucine, has the ability to not only help the body recover from exercise and strenuous activity, but can also give the body an added boost of energy to improve stamina and endurance (Sharp et al., 2010). Like all BCAAs, L-Isoleucine cannot be manufactured by the body alone, and therefore would need to come from diet and supplementation where it can then be catabolized by the muscle and utilized.

L-Valine: Similar to L-Isoleucine, L-Valine is able to improve energy levels during exercise. And being that it is one of the “big three” in terms of branched chain amino acids, it’s needed to help promote recovery and muscle growth following resistance training. With the ability to help increase protein synthesis (Carunchio et al., 2010), L-Valine can help build stronger and larger muscle fibers.

Agmatine Sulfate (AgmaPure®): 500mg

Familiar with L-Arginine? It’s used in many pre-workout products to aid in providing a pump/vasodilation. Agmatine, is simply a metabolite of L-Arginine and has many benefits. You can find Agmatine in many pre-workouts as well as nootropic supplements. When it comes to benefits, Agmatine is great for mental functioning such as mental health, stress management, and mental clarity (Examine). Agmatine has the ability to aid in increasing insulin response which has the ability to improve body composition (Hwang et al., 2005). If looking to add quality mass to your physique, it’s important to push yourself in the gym. With the help of Agmatine, you can reduce perceived pain, allowing you to push harder and longer during workouts (Keynan et al., 2010). In order to build quality lean muscle mass, you also need to increase protein synthesis while shuttling nutrients to the muscles to help them rebuild and recover. Agmatine aids in regulating nitric oxide synthase to help produce nitric oxide which can than cause a vasodilation effect of the blood vessels to help transport nutrients throughout the body and into working muscles (Biolo, 1997). Another key benefit of Agmatine is it’s potential to affect testosterone levels. When there is a higher level of testosterone present, it primes the body to build muscle. Agmatine can also increase the secretion of luteinizing hormone, which is vital in testosterone production (Kalra et al., 1995).

L-Taurine: 1g

L-Taurine is known for controlling glucose levels (Nandhini et al., 2002), increasing fat oxidation (Rutherford et al., 2010), and improving physical performance (Balshaw et al., 2012). Besides the fitness related benefits, supplementing with L-Taurine also helps with cardiac functioning (Ahmadian et al., 2017), helps with the growth of brain cells (Ritiker, 2015), and can reduce the likelihood of metabolic syndrome – which includes lowering cholesterol levels, reducing triglycerides, improving glucose metabolism, as well as reducing blood pressure (Chen et al., 2016).

Coconut Water Powder: 2g

Machine Fuel now includes Coconut Water Powder! The demands put on the body during strenuous activity can deplete the body of vital nutrients. Coconut water powder is able to replenish lost micronutrients such as potassium, sodium, and chloride (Chavalittamrong et al., 1982). When added to a post-workout nutrition program, coconut water is able to aid in rehydration (Ismail et al., 2007) and provide the body with lost electrolytes. Non-exercise related, coconut water also has added health benefits such as lowering blood pressure (Alleyne et al., 2005) and lowering triglycerides and cholesterol levels (Sandhya et al., 2006). It provides several potential benefits including:

  • Electrolyte Replenishment
  • Lowered blood pressure: Studies have demonstrated coconut water might dramatically decrease blood pressure (1)(2)
  • Lower cholesterol and triglycerides (3)(4)
4. (edited)


Of course! All of our flavors have the same nutritional information. Here is the nutritional value of each serving:

1. Biolo, G. “An abundant supply of amino acids enhances the metabolic effect of exercise on muscle protein.” Am. J. Physiol. 273 (Endocrinol. Metab. 36): El22-E129, 1997

2. Blomstrand E, et al. “Branched-chain amino acids activate key enzymes in protein synthesis after physical exercise.” J Nutr. (2006)

3. Carunchio I, et al. “Increased levels of p70S6 phosphorylation in the G93A mouse model of Amyotrophic Lateral Sclerosis and in valine-exposed cortical neurons in culture.” Exp Neurol. (2010)

4. Chavalittamrong B, Pidatcha P, Thavisri U. “Electrolytes, sugar, calories, osmolarity and pH of beverages and coconut water.” Southeast Asian J Trop Med Public Health. 1982, 13 (3): 427-31.

5. Chen, W, et al. “The Beneficial Effects of Taurine in Preventing Metabolic Syndrome.” Food & Function., U.S. National Library of Medicine, Apr. 2016

6. Examine.

7. Holmes HC, et al. “Ketogenic flux from lipids and leucine, assessment in 3-hydroxy-3-methylglutaryl CoA lyase deficiency.” Biochem Soc Trans. (1995)

8. Hwang SL, et al. “Activation of imidazoline receptors in adrenal gland to lower plasma glucose in streptozotocin-induced diabetic rats.” Diabetologia. (2005)

9. Ismail I, Singh R, Sirisinghe RG. “Rehydration with sodium-enriched coconut water after exercise-induced dehydration.” Southeast Asian J Trop Med Public Health. 2007, 38 (4): 769-85.

10. Kalra SP, et al. “Agmatine, a novel hypothalamic amine, stimulates pituitary luteinizing hormone release in vivo and hypothalamic luteinizing hormone-releasing hormone release in vitro.” Neurosci Lett. (1995)

11. Keynan O, et al. “Safety and Efficacy of Dietary Agmatine Sulfate in Lumbar Disc-associated Radiculopathy. An Open-label, Dose-escalating Study Followed by a Randomized, Double-blind, Placebo-controlled Trial.” Pain Med. (2010)

12. Nandhini AT, Anuradha CV. “Taurine modulates kallikrein activity and glucose metabolism in insulin resistant rats.” Amino Acids. (2002)

13. Ritiker, Forrest. “Grow New Brain Cells.” Life Extension, Sept. 2015

14. Ahmadian, M, et al. “Taurine Supplementation Improves Functional Capacity, Myocardial Oxygen Consumption, and Electrical Activity in Heart Failure.” Journal of Dietary Supplements., U.S. National Library of Medicine, 4 July 2017

15. Alleyne, T, et al. “The Control of Hypertension by Use of Coconut Water and Mauby: Two Tropical Food Drinks.” The West Indian Medical Journal., U.S. National Library of Medicine, Jan. 2005

16. Balshaw TG, et al. “The effect of acute taurine ingestion on 3-km running performance in trained middle-distance runners.” Amino Acids. (2012)

17. Rutherford JA, Spriet LL, Stellingwerff T. “The effect of acute taurine ingestion on endurance performance and metabolism in well-trained cyclists.” Int J Sport Nutr Exerc Metab. (2010)

18. Sandhya, V G, and T Rajamohan. “Beneficial Effects of Coconut Water Feeding on Lipid Metabolism in Cholesterol-Fed Rats.” Journal of Medicinal Food., U.S. National Library of Medicine, 2006

19. Sharp, C. and Pearson, D. “Amino Acid Supplements and Recovery from High-Intensity Resistance Training.” Journal of Strength and Conditioning Research. 2010, Volume 24, Issue 4, (pp. 1125-30)

4.9 / 5.0
962 Reviews
5 Stars
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4.8 / 5
4.8 / 5
4.9 / 5
Delivery Speed
4.9 / 5
Machine Fuel has all the
Machine Fuel has all the ingredients to aid in protein synthesis!!! That is what we all need. Grape flavor tastes amazing the flavor is on point! For mix-ability, just don't use a spoon with water in a cup, use a shaker bottle with something that breaks up the substance inside of your bottle. Next, agmatine- just a refined arginine but for sure takes a lesser dosage to have the same effect. Machine fuel has proven clinical dosages of all ingredients within it to help your body make gains on gains. Like Marc said on The Tiger Fitness YouTube channel- "He is back in the game with this product!" Thumbs up to MTS- Great product!!! ninety-five servings will get you through the month with maybe a little more branched chains than you need but I believe you can't get enough, so stay away from the thirty servings because it will literally last two weeks with a hard lifter.
June 29, 2015
Great BCAA
So good some asshole stole my 95 serving container from my gym locker. Anyway grabbed me a new tub of blue snow cone (love that flavor) and I'm back to making gainz.
October 11, 2016
Age: 15-24
1 year ago
Best BCAA's I Have ever had!! (95 serving size)
Grape flavor is by far the best flavor I have had out of all of the MTS BCAA's, none of them taste bad but the grape blows them all out of the water!!!! I never run out of this product, if I get close I purchase another tub I have probably bought over ten of these within the past year!!!!!
February 6, 2016
outstanding product
Mixes well, taste good and has none of the added BS. I use it during workouts and drink it throughout the day. The price is good too. This will be a must have in my supplement regime
November 7, 2016
Age: 45-64
Been sampling different products for a few years now, and decided to give Machine Fuel a try....Love It!
Got the Strawberry Kiwi flavor, and sip it throughout my workouts. Have noticed that it helps fuel me throughout my workouts as well as with recovery afterwards!
June 19, 2016
I love MTS and tiger fitness
The product itself is like no other, keeps my Iocked in and going. As far as the MTS team goes super helpful and would not go anywhere else.
October 13, 2016
Age: 25-44
1 year ago
Tastes delicious and gives me
Tastes delicious and gives me a pump from the agmatine. Great product, great value!
September 3, 2014
Great tasting product from a
Great tasting product from a company you can trust.
September 14, 2014
Machine Fuel 95 Servings: Explosion of GAINZ!!!
I bought this product 3 weeks ago because it had the best price for the highest quality on the market and it has no artifical colors (a real jaw dropper)! What I didn't expect was the amazing flavor. I only need to mix 1 scoop (out of the 95) in my 2.2 Liter water bottle and it flavors the whole thing; in comparison, I have to use 3 scoops of Blox to get the same flavor... But this product goes far beyond just great taste; it's also a product with a quality amino acid profile which I honestly believe has given me an explosion of GAINZ! After 3 weeks of using Machine Fuel as my intraworkout, I've put 3/4' on my arms and 1' on my legs, all muscle. These lean muscle gainz have blown me away, and weather the results come from enhanced and accelerated recvoery or just a better workout all around, I can testify that Machine Fuel works like a charm and IT'S NOT A GAME!
March 15, 2014
5 / 5
5 / 5
5 / 5
Delivery Speed
5 / 5
This is a great intra bcaa product and it tastes wonderful. It helps me concur all of my workouts , can't wait to try another flavor.
April 11, 2017
Age: 25-44
1 year ago
Fitness Goal:
Build Muscle
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 74 questions Browse 74 questions and 134 answers
is this a vegan product?
Justin E on Nov 25, 2015
BEST ANSWER: No it is not a vegan product. Grow up
When will mixed berry be back in stock?
A shopper on Dec 23, 2015
Can I use it as an all day BCAA?
A shopper on Dec 6, 2015
BEST ANSWER: I take 3 to 4 servings a day!!! Like Marc does!
when exactly should i take this? After pre workout and the start of my workout or when i get into the middle of my workout?
spence on Jan 16, 2016
BEST ANSWER: For best results, take following your pre workout, when you begin training and you can drink this throughout your entire workout.
Will I gain weight from this product, if so by how much? And will it increase energy exponentially?
Ian K on Apr 16, 2018
BEST ANSWER: There are no calories in Machine Fuel, but it can help you gain lean mass, lose fat and recover from training.

The energy it supplies is cellular, not systemic like caffeine. So while it can delay fatigue during training, it is not a stimulant.
When is blue snow cone coming back?
A shopper on Aug 23, 2017
BEST ANSWER: It won't be but we have all new EPIC flavors coming soon!
What is the difference between the 3o and 95?
A shopper on May 14, 2016
BEST ANSWER: 65 servings and cost.
Will taking a vasodilator inhibit the body's ability to produce NO on its own?
A shopper on Mar 26, 2016
BEST ANSWER: no, it will not affect it.
what do I use to help loose belly?
john l on Mar 18, 2016
BEST ANSWER: I would use drop factor to lose belly fat.
Could this be be taken after a workout?
A shopper on Nov 19, 2015
BEST ANSWER: Yes, you can take BCAA'S anytime during the day. Best used while working out.
Anyone else get the shits from this?
A shopper on Nov 1, 2016
BEST ANSWER: There is nothing in Machine Fuel that is indicated to cause this
How should this be taken? Sipped throughout the day?
A shopper on Dec 9, 2016
BEST ANSWER: When I take it,
In the morning upon waking, in between meals and during your workout! Love it and recovery was amazing!
Can I take machine fuel before my workout?
A shopper on Dec 15, 2016
BEST ANSWER: You can take this product pre-workout, however it is most optimally used intra-workout. The pump you receive will be amazing.
Best flavor? Or better flavor between mixed berry and grape?
A shopper on Sep 6, 2017
BEST ANSWER: Personally I like grape the best. You can alter the flavor by putting in MTS L-carnitine. I like to mix an E-megency immune+ (raspberry flavor) in it as well.
Is this a stimulant? I am very sensitive to caffeine.
A shopper on Apr 17, 2017
BEST ANSWER: No. If you're concerned about the agmatine sulfate, that's usually used in NON-stimulant preworkouts for stim-sensitive peeps. At least, that is my understanding.
Can you drink this all day?
A shopper on Feb 2, 2017
BEST ANSWER: absolutely. The beauty of this particular BCAA is it's not loaded with other ingredients you wouldn't want throughout the day. More and more data suggesting the benefits of drinking BCAAs between meals plus it tastes great so it helps you get down more water. No reason not to.
When do i take this suppliment?
A shopper on Jan 8, 2017
BEST ANSWER: Half way through workouts or anytime during the day on non workout days.
MTS Machine Fuel vs Scivation Xtend, which is preffered?
Conner O on Nov 5, 2016
BEST ANSWER: Xtend due to its hydration benefits and 90 servings containers.
What does blue snow cone taste like? Berry, coconut, bubble gum?
A shopper on Apr 3, 2017
BEST ANSWER: Tastes exactly like a blue snow cone or a blue slushee
Iam taking ruckus and vasky as pre workout when can I use machine fuel?
A shopper on Oct 20, 2016
BEST ANSWER: Machine Fuel will be optimal to drink for the duration of your training. You can also sip on additional servings throughout the day to help you drink more water.
Could you drink machine fuel and vasky intra-workout?
A shopper on Mar 15, 2016
Machine Fuel
Machine Fuel
MTS Vasky
MTS Vasky
BEST ANSWER: You could, however it wouldn't be the ideal use or timing of vasky. It would be better to take vasky preworkout, and one of the benefits of the ingredient Nitrosigine in Vasky is the prolonged muscle pump up to 6 hours post workout. Hope this helps
I am taking Creatine before and after workout can I take this in between and also my multi vits it’s not too much I want to lose fat and get fit I am kind of bulky tnx ????
Eddy G on May 20, 2018
BEST ANSWER: --Take Creatine once, you ONLY need 5g per day and any more won't do much.
--Take Machine Fuel DURING training - 2 scoops is all you need
--CALORIES make you bulky, and creatine will not cause fat gain since it has no calories.

For a good diet see
Are there calories in machine fuel?
A shopper on Aug 22, 2017
BEST ANSWER: Per the FDA there are no calories in free form amino acids to be listed on the label
Which is the best flavor??
A shopper on Jul 24, 2017
BEST ANSWER: I ordered Blue Snow Cone which was pretty good. I recently ordered Grape, which I like much better. But I love grape! Both are pretty decently flavored and not over sweet!
When will mango be available?
Daniel G on Jun 23, 2017
BEST ANSWER: I just got the new formula of mango-strawberry. Order it! its great.
How many grams of BCAAs is in one serving?
A shopper on Jun 4, 2017
BEST ANSWER: 9.35 grams
Is this gluten and dairy free for those who have intolerances?
A shopper on Feb 23, 2017
BEST ANSWER: I have both of those intolerances and was fine taking this.
Are the BCAAs in Machine Fuel sourced from Poultry Feathers?
A shopper on Dec 9, 2016
BEST ANSWER: Absolutely not.They are form fermentation from glucose
I can't tell by the ingredients list as it doesn't say, but I take it that this supplement has artificial dyes for coloring?
Adam S on Nov 15, 2016
BEST ANSWER: Citric Acid, Natural & Artificial Flavors, Sucralose I do not see any dyes on the label
Why no glutamine? Xtend, the leading intro BCAA adds it.
Benji P on Nov 3, 2016
BEST ANSWER: Glutamine, while having some benefits toward alkalinization in the body and debatably some benefits in preserving leucine, has been shown repeatedly to have little to no benefits for performance, recovery or lean mass gains/fat loss.

Agmatine is addeded due to it’s benefits. Agmatine is a byproduct of Arginine and at a much SMALLER dose of as low as 500mg you can elicit some great benefits, from pumps, to acting as a neurotransmitter (mental acuity), to removing metabolic waste. It does SO MUCH!

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* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
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