SKU: 45787326217

GAT Sport | Nitraflex Ultra | 30 Servings

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Description

GAT Sport | Nitraflex Ultra | 30 ServingsSolid beta alanine, 2. 5g betaine, and a real high stim focus mix. GAT Sport Nitraflex Ultra is a high stim pre workout that packs real muscle performance ingredients with a smart energy and focus blend, plus some hydration support. A lot of pre workouts pick one thing and ignore the rest. They either go all in on stims and skimp on performance, or they give you a decent pump but leave the energy weak. Nitraflex Ultra hits both sides hard. The main

Solid beta-alanine, 2.5g betaine, and a real high-stim focus mix.

GAT Sport Nitraflex Ultra is a high-stim pre-workout that packs real muscle performance ingredients with a smart energy and focus blend, plus some hydration support. A lot of pre-workouts pick one thing and ignore the rest. They either go all-in on stims and skimp on performance, or they give you a decent pump but leave the energy weak. Nitraflex Ultra hits both sides hard.

The main performance ingredients are solid. You get 5g L-Citrulline. Studies show the sweet spot is 6-8g, so this is just under that but still effective for boosting plasma arginine and nitric oxide – that's what improves blood flow, muscle fullness, and keeps the pump going longer than the usual 3g doses you see. Beta-Alanine is at 3.2g, the standard dose from research for building up carnosine in your muscles. Carnosine helps fight off the acid buildup that causes that burning feeling during intense reps, and it works even better after 2-4 weeks of steady use. Betaine Anhydrous is 2.5g, matching what's used in studies for better power, endurance, and keeping cells hydrated – super helpful in longer workouts where fatigue sneaks in.

On the energy side, it's no joke. Caffeine hits 350mg from green coffee bean extract – that's high-stim level. Alone, it could feel too jittery, but they add 100mg L-Theanine to make it smoother, 150mg Theobromine for a milder, longer-lasting boost, and 50mg Dynamine® (that's methylliberine from Compound Solutions) to amp up alertness without overloading on caffeine.

GAT Nitraflex Ultra by GAT Sport contains 5mg Niacin, a standard dose for training performance and pump.

Key Highlights

  • 5,000mg L-Citrulline gives you a good dose of this nitric oxide booster that helps with blood flow, pump, and getting oxygen to your muscles. It's just under the usual 6-8g from studies, but way better than the weak 2-3g you see in a lot of pre-workouts.
  • 3,200mg Beta-Alanine is the proven daily dose for ramping up muscle carnosine. That helps buffer the acid that builds up and burns during tough reps, so this stuff gets better the more you use it consistently.
  • 2,500mg Betaine Anhydrous is right at the dose from strength and power studies. It boosts your output, endurance, and keeps cells hydrated, which is key when you're grinding through high-volume sets and starting to fatigue.
  • 350mg Caffeine puts this in serious high-stim category. It's not a light pick-me-up – it's a real kick to your nervous system for better alertness, drive, and feeling ready to go.
  • 100mg L-Theanine tones down the caffeine rush to make it feel smoother. You get less jitters, clearer headspace, and better focus during workouts than with straight high-caffeine stuff.
  • 50mg Dynamine® brings in methylliberine, a branded ingredient from Compound Solutions, to crank up energy and focus without making the whole thing feel like too much caffeine.
  • 150mg Theobromine adds a longer, easier stim effect. It often feels like steady alertness and good mood through the later parts of your session, not just a quick spike and drop.
  • 1,000mg L-Tyrosine helps make catecholamines when you're under stress, like during a brutal workout when your focus might slip. It works great with caffeine for keeping your head in the game when you're tired.

GAT Nitraflex Ultra by GAT Sport contains 5mg Niacin, a standard dose for training performance and pump.

Who Is This For?

  • Guys with experience doing high-volume hypertrophy who want a pre that makes workouts feel better and actually perform better. 5g L-citrulline helps pump and flow, while 3.2g beta-alanine and 2.5g betaine are dosed solid, not just for show.
  • Strength-hypertrophy folks training after long days who need sharp mind and body drive. 350mg caffeine, 1g tyrosine, 500mg DL-phenylalanine, 200mg choline, 100mg theanine, and 50mg Dynamine® give aggressive energy without the scatterbrain feel.
  • High-stim fans sick of pre-workouts that peak quick and die. Theobromine and Dynamine® make the energy last longer for full sessions.
  • Lifters who feel it when electrolytes are missing. Multi-sodium, potassium from Calci-K®, and magnesium malate suit heavy sweaters or hot training better than plain stims.
  • Athletes in high-intensity repeats like bodybuilding circuits, sled work, or tough accessories. 3.2g beta-alanine builds carnosine, and sodium bicarbonate adds extra buffering for fatigue.
  • People wanting a clear-label pre instead of prop blends. Key ingredients have exact doses, so you can check against studies yourself.

How to Use

If you're new to this or your caffeine tolerance is average, start with half a scoop. A full one has 350mg caffeine plus 150mg theobromine and 50mg Dynamine®, which can be too much if you dive right in. Mix it 20-30 minutes before training; that lets the stims and focus stuff hit as you finish warm-ups. Shake in 10-16 oz cold water, add more if you want milder flavor. It works best with a light meal 60-90 minutes before or on an empty stomach; heavy food right before can slow it down. Don't stack with coffee, energy drinks, fat burners, or extra nootropics unless you're tracking stims. Add daily creatine monohydrate for ATP support since it's not in here. Tolerance can build, so save it for big training days. Keep it sealed in a cool, dry spot to avoid clumps.

What to Expect

Minutes 0-10: you'll start feeling the stims kicking in, especially on an empty stomach. Minutes 10-20: caffeine ramps up, theobromine adds a smooth boost, and beta-alanine might give you that tingly skin feel. Minutes 20-40: this is prime time – peak mental readiness, drive, and early pump as citrulline boosts blood flow with your lifting. Minutes 40-90: it holds strong thanks to theobromine and Dynamine® keeping energy and focus going longer than straight caffeine. Days 1-7: you get instant energy, focus, and pump, but beta-alanine is still loading. Weeks 2-4: with steady 3.2g beta-alanine, muscle carnosine builds, making high-rep sets easier to handle and less drop-off between them.

Key Ingredients

  • Choline — 200mg — Supports acetylcholine and mind-muscle connection
  • Magnesium Malate — Adds supportive neuromuscular and energy-cycle mineral coverage

GAT Nitraflex Ultra by GAT Sport contains 5mg Niacin, a standard dose for training performance and pump.

Frequently Asked Questions

How much caffeine is in GAT Sport Nitraflex Ultra?

Nitraflex Ultra contains 350mg caffeine per serving from green coffee bean extract. That already qualifies as a high-stim dose, and the formula also includes 150mg theobromine and 50mg Dynamine®, which can make the overall energy experience feel even stronger than the caffeine number alone suggests.

Is 5g of L-citrulline enough to notice a pump?

Yes, most trained users will notice it. The classic clinical range for L-citrulline is usually cited around 6-8g, so 5g is slightly below that benchmark, but it is still a clearly effective dose and substantially better than the 2-3g underdosing seen in many mainstream pre-workouts.

Why does Nitraflex Ultra make my skin tingle?

That sensation usually comes from the 3.2g beta-alanine dose. It is called paresthesia, it is harmless for most users, and it is common when beta-alanine is dosed at the research-backed level used to support muscle carnosine loading.

Is Nitraflex Ultra good for strength training?

Yes, especially if your strength sessions also include moderate-to-high volume work. Betaine at 2.5g supports power and performance, beta-alanine helps with repeated hard efforts, and the stimulant-focus stack can improve training intent and output during demanding sessions.

Can beginners use Nitraflex Ultra?

Most beginners should start elsewhere or use only half a serving after assessing tolerance. With 350mg caffeine plus theobromine and Dynamine®, this formula is much more appropriate for experienced pre-workout users than someone just getting started.

Should I take Nitraflex Ultra every day or only on training days?

Most users will take it on training days, especially harder sessions where the stimulant load is justified. However, the 3.2g beta-alanine dose does work best when taken consistently over time because its main performance effect comes from cumulative carnosine saturation rather than immediate acute stimulation.

Can I stack Nitraflex Ultra with creatine?

Yes, and that is one of the best ways to round out the formula. Nitraflex Ultra already covers blood flow, buffering, energy, and focus well, but it does not include creatine, so adding 3-5g creatine monohydrate daily complements it by supporting phosphocreatine replenishment and repeated high-output efforts.

What makes Dynamine® different from just adding more caffeine?

Dynamine® is a trademarked form of methylliberine from Compound Solutions. It is used to intensify perceived energy and alertness in a different way than simply increasing caffeine, helping create a stronger and more layered stimulant profile without relying on caffeine alone.

Does Nitraflex Ultra support hydration, or is it just a stim pre-workout?

It does more than just stimulate. The formula includes multiple sodium sources plus potassium, magnesium malate, and Calci-K®, which gives it a real hydration and electrolyte component that supports fluid balance, muscle contraction, and training performance.

How late in the day can I take Nitraflex Ultra?

For most users, this is best reserved for morning or early afternoon training. A 350mg caffeine dose paired with Dynamine® and theobromine can easily interfere with sleep if used too close to bedtime, even in people who think they handle stimulants well.

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SKU: 45787326217

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tfabglam5
Belleville, US
★★★★★ 5
Sustained Energy on Demand
I am always on the lookout for a high quality supplement that provides me with energy, focus and brain support. And ... at a reasonable price. This is it! I am post menopausal and also have hypothyroid disease, so I need any kind of extra help I can get to keep me going without crashing. I take 2 capsules on an empty stomach first thing in the morning before I leave for work. By the time I get to work, I am "ready and rarin' " to go. If I miss taking Awakening, I feel tired, sluggish and unmotivated. This really helps to keep me going throughout a very long day. I usually leave home before 7 am and return home after 7 pm nearly 5 days a week. Don't hesitate to give this a try and see for yourself how good and energized you will feel. It's that extra help that will keep you going so that you can get things done and stay on-task.
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Reviewed in the United States on February 28, 2021
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Karen Joan
Dallas, US
★★★★★ 5
A Martian Named Smith
There is no question that Robert Anson Heinlein is one of the Fathers of Science Fiction. There is also no question that STRANGER IN A STRANGE LAND is his most famous work, having been called "the most famous science fiction novel ever written." Is it his best? Perhaps not. But it is a ground breaking classic, one that I enjoy reading again and again. STRANGER IN A STRANGE LAND is the story of Valentine Michael Smith (Mike), a male born of human parents on the first Earth colony ship to Mars. Literally born as the ship landed on Mars, Mike's parents and the rest of the crew died, and Mike was raised by Martians. 25 years later, a second Earth colony ship lands on Mars, and discovers Mike, the native inhabitants of Mars, and a host of unanswered questions. Mike returns to Earth, and STRANGER IN A STRANGE LAND is the detailed chronicle of his introduction to, interaction with, and transformation of human culture. STRANGER IN A STRANGE LAND was Heinlein's first truly adult science fiction novel, and he took on some pretty heady topics. Politics, religion, sex, equality, and the concept of a truly un-human culture (which happened to be superior), to name a few. Heinlein wove these themes into STRANGER IN A STRANGE LAND, each of which contributed to his idealistic vision of a perfect world.He intermixed shock value, logic, and plain good storytelling to get his points across, and I think he did so quite wonderfully. 1. Religion. Heinlein was not an atheist, as some have claimed. He did believe in a higher power; what he did not have any use for was organized religion. He believed in faith. If you had faith, true faith, then the trappings of religion were unnecessary and superfluous. They just did not matter. The Church of All Worlds in STRANGER IN A STRANGE LAND was set up to show that no matter what the religious trapping were, it was faith that really mattered. He also created a religion where happiness and self-belief were the main drivers, rather than fire, brimstone, and fear. Makes great sense to me. 2. Sex. Contrary to popular belief, STRANGER IN A STRANGE LAND did not promote promiscuity or free love. What Heinlein did was to create a world where people were open about sex, where it was enjoyable and exciting, but with it came great responsibility. In this world, sex wasn't hidden, secret, or naughty; rather it was honest and pure and fun. People who could develop this utopian attitude became happier, healthier, less jealous, more caring, and, yes, more sexual. Responsibility to partners, offspring, and an entire extended family became the norm. In his own way, by exploring sexuality, Heinlein was exploring and redefining the meaning of family. He was also trying to define sex as a miraculous union, and to show that humans should treat it as the miracle of bonding and "growing closer" that it is. 3. Equality. Before the sexual revolution and equality for women, Heinlein clearly believed in equality of the sexes, equality of the races, equality of faiths...basically the equality of all humans. Yes, he felt women should be treated with respect and reverence and be protected and nurtured because they gave birth and perpetuated the species, but he clearly believed that they were intelligent and capable. He also believed that women had sexual needs equal to those of men and had the right to pursue those needs. 4. Politics. In STRANGER IN A STRANGE LAND, Heinlein clearly had little use for government, politics, or politicians. He believed that government in general was a necessary evil, but preferred that it be kept small and out of his business. He didn't care what it was based on or what guided it - astrology was the ridiculous example used in STRANGER IN A STRANGE LAND - as long as it left him alone. Works for me. He also had little use for entitlements, and expected human beings to work for what they received. Again, works for me. 5. Un-Human, Superior Culture. Heinlein did a remarkable and revolutionary thing when he created the Martian culture of STRANGER IN A STRANGE LAND. The Martians of this novel are clearly not humanoids from another planet. They do not think like humans, act like humans, look like humans, reproduce like human, live like humans, or do anything like we do here on the planet Earth. There is nothing remotely recognizable about these Martians; they are completely alien. We can't them, and they can't understand us. They are older, more advanced, and can perceive the universe around them in ways that humans do not. But humans can, if properly taught, learn some of the things that Martians do. What a marvelous concept. In 1962 the original version of STRANGER IN A STRANGE LAND won the Hugo Award for the Best Science Fiction Novel of the Year. After Heinlein's death in 1988, his wife Virginia discovered the original uncut manuscript and arranged to have it published in 1991. It is interesting to read the two books side by side, to see the differences, and to compare them. I enjoy both versions very much, and am still not sure which is my favorite. Whatever version you choose, I HIGHLY RECOMMEND STRANGER IN A STRANGE LAND. Whether you have read it before or not, whether you love it or not, you will find it to be an interesting and thought-provoking read.
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Reviewed in the United States on June 20, 2009
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Marcel Dupasquier
Chelsea, US
★★★★★ 4
A strange book I don’t grok
I have started to read this book directly after I had read “The Moon is a harsh Mistress” and after the first chapter, I almost stopped reading again. The first chapter starts promisingly enough, after a Mars expedition with only four couples, finding the fitting couples that contained all the required capabilities in themselves had been difficult enough, had failed, years later, another expedition is started, and this time, the flight takes much shorter. They find a young man there and bring him back, but how they treat him here, locked and no women allowed, for the first time really showed me how old Robert Heinlein’s books really are and here, for the first time, it was an annoyance. What would happen if a woman would visit him? We find out in the second chapter, and the answer is, basically, nothing. Then, for about 10% of the book, we get Jill, working in the hospital where the Man from Mars is kept, discussing with Ben, a journalist, about the implication of the Man from Mars. Once he owns the whole Mars, once he owns a majority of Lunar Enterprises. In any case, the government under the Secretary General cannot keep him alive. Then, finally, some action occurs: Ben tries to get the Man released, but fails miserably; Jill subsequently tries to prisonbreak with the Man. They escape to Ben’s place but the henchmen are not far away. They ring at the door, there is a confrontation and... it’s over. They go to another benefactor, Jubal, who keeps Jill and the Man hidden for rest of almost half of the book. There, Jubal thinks about how to help the Man, together with getting Ben back, while he tries to learn as much as possible about the Martian and Mars. Then, the henchmen appear again, ready to arrest everybody, and after the Martian makes the policemen disappear once more, Jubal eventually manages to bluff the Secretary General into calling back the second arresting team and agreeing to meet with the Man from Mars with him, Jubal, as the official delegate for the Martian. At the meeting, Jubal does what he can to make the Man’s live safe: He gives the Secretary General the mandate the manage the money of the Martian with the payment as much money as he sees fit. Having thus secured the Martian’s safety, the Martians keeps living at Jubal’s place and learning. They visit a service of the Fosterite church, where people gamble, visit the bar and have stories with women but when the archbishop wants to have one-to-one talk with the Martian, latter recognizes former’s evilness and discorporates him. Eventually, the Man from Mars has learned all he can at Jubal’s and he and Jill set out for the world. They join a circus troupe where the Martian performs a levitating trick with Jill, only it is not a trick, he really does so. But they are unsuccessful, the marks see right through it. They leave again, but not before they have listened to a snake charmer sermon about the Fosterites and before they make her a water brother. They next move to Las Vegas where Jill works in a show and the Martian as croupier and they elucidate naughty pictures. Thereafter, they go to San Francisco, where the Martian reads all the books about the various religions without grokking anything. They then visit a zoo where the Martian breaks out laughing as he, observing monkeys, finally groks people. They founded their own church, but it’s not a religion. The Martian had hereto shown some extraordinary capabilities, such as being able to enter a trance state where he could stay under water for hours, telekinesis and the ability to discorporate things or beings at will. Had the reader so far been wondering how he could do that, if the Old Ones on Mars has changed him somehow on Mars, now it become clear that this was not the case. Everybody can do it but, in order to facilitate such deeds, which were connected to Martian creed, one had to understand the Martian concepts, which one could only by firstly learning the Martian language. The Martian church was thus foremost a Martian language school. That was however not all it was. The Martian idea was that there was no God than God in everyone of us. All other religions were considered as truths, only that they were kind of hiding that God was each of us, and thus the creed was “Thou are God.” In the Martian church, also free love was practiced. We get hence a chapter where Ben was shocked by this and fled the church most hurriedly to report to Jubal, only to join it again the next chapter. And of course, we get Fosterites who try to start a persecution against their competitors. The end then also makes sense, but I don’t understand why. It was on one hand logical but on the other hand why was it necessary? This is thus not really a work of science fiction and but rather a theological treatise. I think it could have shortened somehow, then realized, that what the original editors thought as well. It was my third book I read from Robert Heinlein, Starship Troopers was a good concept which Joe Haldeman made into a good book, the Moon is a harsh Mistress was a quick read that kept me hooked, but considering, it is basically a story of the American struggle for independence, just on the Moon, and it will also be my last. There are other science fictions authors out there.
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Reviewed in the United States on November 15, 2022
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b slev
Chelsea, US
★★★★★ 5
seekers paradise
Format: Kindle
Some of this book disturbed me a little but overall I found it amazing and fascinating. Possibilities abound in fantasy and can be just the thing you need to open up. Enjoy! I sure did.
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Reviewed in the United States on May 22, 2026
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Jenni DaVinCat
Waukegan, US
★★★★★ 3
We Should All Be a Little Stranger.
I understand why this book is often cited as one of the most important sci-fi books of all time. While reading it, you might begin to question why it’s lumped into the sci-fi category because the themes are very human. It is science fiction, that cannot be argued, but it’s also a coming of age story, a religious story and at its very core, a story about love. Valentine Michael Smith was born and raised on Mars, but he is a human. He is brought back to Earth to learn what it means to be a human. This causes the reader to be forced to think outside of the box because Michael is not just coming from a different human culture, he has never learned what it means to be a human so any chapter told from his perspective is like an outsider, looking in on human culture. It’s wildly fascinating to think about ourselves in this manner. As Michael progresses in his grokking of humans, he gets out to explore the world and to challenge it. Our concepts of God/religion and sex/love are strange to him. We tend to not really think about it from an outside perspective because this is just the way life is, but being forced to think about it, makes for a very fascinating read. I’d never really considered myself to be a “prude” but there were times that this book made me feel that way. At times, the reader must take a step back and remember that Heinlein did intend for many of the themes to be viewed as satire of what is commonly accepted. There were a few negatives when reading this book, however. It was written in the sixties, which was a very different time from today in terms of the way women are spoken to/about and how they are treated. Heinlein wasn’t too bad in this regard, but there were a few sentences that made me stop for a second. Heinlein also has some of his characters go on these long drawn-out speech tangents that go on for pages and pages. I felt it was a little unnecessary to go on for that long, especially considered the length of the uncut version. It took me a little while to get through this book and normally I’m a pretty quick reader. Negatives aside, I do feel like this book is important. The story itself is not challenging, but as I stated before, it challenges the reader to think about humans from an outside perspective and that is fascinating. He really doesn’t seem to rely too much on Sci-fi elements, preferring to focus on the human elements of the story (love, religion etc.). If you’re looking for something long and fulfilling, this may just be the sci-fi book for you!
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Reviewed in the United States on September 29, 2016

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