SKU: 86312537475

GAT Sport | Nitraflex Black | 30 Servings

Sale price$26.99 Regular price$29.99
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

GAT Sport | Nitraflex Black | 30 Servings325mg caffeine with 1g Nitrosigine for high stim pump performance GAT Nitraflex Black Extreme is a high stim pre workout that's simple and focused. It gives you quick energy, patented nitric oxide help, and basic support for intense workouts. No proprietary blends here. Everything is listed out, so you can check the doses against real studies. The main energy comes from 325mg caffeine. That's in the sweet spot of 200 400mg that shows up in pre workout

325mg caffeine with 1g Nitrosigine® for high-stim pump performance

GAT Nitraflex Black Extreme is a high-stim pre-workout that's simple and focused. It gives you quick energy, patented nitric oxide help, and basic support for intense workouts. No proprietary blends here. Everything is listed out, so you can check the doses against real studies.

The main energy comes from 325mg caffeine. That's in the sweet spot of 200-400mg that shows up in pre-workout research. Caffeine blocks adenosine receptors in your brain, which cuts down on feeling tired and boosts stuff like dopamine and norepinephrine. In the gym, you notice quicker focus, more drive, better alertness between sets, and the push to go harder when it gets tough. At 325mg, it's a solid high-stim hit, especially if you're under 180 pounds or don't do caffeine every day.

For pumps and blood flow, it's got 1,000mg Nitrosigine®. That's bonded arginine silicate, a patented version that's better at boosting nitric oxide than regular arginine. The dose matters—1 gram is what studies use for better vasodilation, blood flow, and that workout pump. It raises arginine and nitric oxide levels, improving how blood vessels respond and getting nutrients to your muscles. You'll feel fuller muscles, stronger pumps, and more veins popping during sets.

Beta-alanine is included at 1,500mg. This amino acid is the rate-limitin

GAT Nitraflex Black by GAT Sport contains 325mg Caffeine, a clinical dose for training performance and pump.

Key Highlights

  • 325mg Caffeine — a solid high-stim dose right in the researched range for sports supps. You get clear energy, sharp alertness, and the motivation to crush heavy or high-volume workouts.
  • 1,000mg Nitrosigine® — not cheap arginine, but the patented bonded arginine silicate from Nutrition21. This 1-gram dose is what studies back for nitric oxide boosts, wider blood vessels, better flow, and the full pumps that make good pre-workouts stand out from basic stim mixes.
  • Fully disclosed formula — every ingredient and dose is right there, no hidden blends. You can compare it to real research instead of wondering what's actually working.
  • Beta-alanine at 1,500mg — helps build muscle carnosine for handling repeated hard efforts. It's under the full 3.2g daily mark from studies, so it's solid support but not the whole deal on its own.
  • Research-backed caffeine dosing — caffeine is one of the best-proven boosts in supps. It blocks adenosine receptors, and you feel more alert, less tired, and ready to train hard. Super reliable.
  • Premium pump in a simple setup — lots of basic pre-workouts are just caffeine with no blood flow help. Nitrosigine® adds that muscle feel, making workouts better beyond just the head buzz.
  • No label junk — this is targeted, not a list of hype. Easy to stack with your own creatine, electrolytes, or carbs based on what you need.
  • Built for noticeable onset — simple formula means you feel it clearly. Caffeine kicks in with focus first, then pumps build as you hit sets.

GAT Nitraflex Black by GAT Sport contains 325mg Caffeine, a clinical dose for training performance and pump.

Who Is This For?

  • Experienced lifters wanting a strong kick without a huge ingredient list. 325mg caffeine surges you, 1,000mg Nitrosigine® adds premium flow over basic stims.
  • Bodybuilders chasing hypertrophy with visible pumps and mind-muscle link in volume sessions. Nitrosigine® boosts nitric oxide and vessels for fuller, engorged muscles.
  • Intermediate folks on push/pull/legs or upper/lower who like simple, clear formulas. Four open ingredients, no blends—perfect if you value knowing what's in it.
  • Athletes in build phases with supersets and short rests. 1,500mg beta-alanine helps carnosine loading for acid buffering in intense work.
  • Tired of hyped labels with tiny doses? This focuses on strong caffeine, patented nitric oxide, and a clear setup you can check against studies.
  • Morning or early trainers needing big stim and focus. 325mg suits those who want to feel it hit hard, not soft energy.

How to Use

Try half a serving first if you're new to over 300mg caffeine—this is real high-stim. Most can go full serving 20-30 minutes pre-train for peak timing. Mix in 10-16 oz cold water, shaker style; more water mellows flavor, less amps it. Empty stomach for strongest hit, light meal if you want slower. Don't add extra caffeine like coffee or burners unless you handle a lot. Pairs well with creatine, electrolytes, or intra carbs. No need to cycle for safety, but breaks from caffeine can refresh the feel. Keep it sealed, cool, and dry.

What to Expect

Minutes 0-10: not much yet, just getting set, especially with food. Minutes 10-20: caffeine shows up with alertness, sharpness, and dropping laziness; maybe some beta-alanine tingle. Minutes 20-40: full caffeine engagement, Nitrosigine® pumps and veins popping in sets. Minutes 40-90: energy holds, pumps peak in volume parts. Days 1-7: main hits are stim and blood flow. Weeks 2-4: beta-alanine builds carnosine, boosting high-intensity support beyond day one.

Key Ingredients

  • Caffeine — 325mg — High-stim energy that sharpens focus and training drive
  • Nitrosigine® — 1000mg — Patented nitric oxide support for fuller pumps and flow
  • Beta-Alanine — 1500mg — Supports acid buffering for tougher repeated high-intensity sets
  • Boron Citrate — 200mg — Supportive mineral compound included for performance-focused physiology

GAT Nitraflex Black by GAT Sport contains 325mg Caffeine, a clinical dose for training performance and pump.

Frequently Asked Questions

How much caffeine is in GAT Nitraflex Black Extreme?

Each verified serving provides 325mg caffeine. That is a high-stim dose for most users and lands squarely in the clinically studied performance range used for alertness, fatigue resistance, and training output.

What does the 1,000mg of Nitrosigine® do in this formula?

Nitrosigine® is patented bonded arginine silicate used to support nitric oxide production, vasodilation, and workout pump. At 1,000mg, this is the meaningful research-backed dose, not a token inclusion.

Is the beta-alanine dose in Nitraflex Black Extreme fully clinical?

Not by itself. The formula provides 1,500mg beta-alanine, while the most commonly cited clinical daily range is 3,200-6,400mg, so this serves as a partial but useful contribution toward carnosine loading.

Will this pre-workout make me tingle?

Possibly. Beta-alanine can cause a harmless tingling sensation called paresthesia, and some users notice it even at 1,500mg, though the feeling is often milder than with 3.2g+ formulas.

Is GAT Nitraflex Black Extreme good for pump or mainly just energy?

It is both, but energy will be the first thing most users notice because of the 325mg caffeine. The pump side is still legitimately supported by 1,000mg Nitrosigine®, which gives the formula more than just stimulant value.

Can beginners use this product?

Most true beginners should be cautious. The label is simple and transparent, but 325mg caffeine is a strong starting point, so new users should begin with half a serving or consider a lower-stim option.

Can I stack this with creatine?

Yes, and it is one of the smartest stacks with this formula. Nitraflex Black Extreme does not include creatine, so adding 3-5g creatine monohydrate daily complements the pre-workout by supporting phosphocreatine replenishment and repeated power output.

When should I take Nitraflex Black Extreme before training?

Take it 20-30 minutes pre-workout. That timing gives caffeine enough time to begin absorbing so the stimulant peak lines up with the start of your working sets.

Should I use this every day or only on hard training days?

If you want the beta-alanine contribution to matter more, more consistent use helps because carnosine loading is cumulative. That said, some users reserve it for training days only and use separate non-stim performance support on off days.

Does this formula use a proprietary blend?

No. The verified active ingredients and doses are disclosed, which is a major trust advantage in the pre-workout category.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 86312537475

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.0 ★★★★★
Based on 404 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
L
Verified Purchase
Lizzy
Alexandria, US
★★★★★ 5
Definitely worth a read
Format: Kindle
This book was everything. It was heart-wrentching, funny, thrilling, sweet, everything. You'll be angry. You'll be sad. You'll be shocked. So much happens and so much is still yet to be explained. I loved it. From the beginning, I was interested in Emmy as a character. She's extremely relatable. She's realistic. She has reactions and feelings that make sense! The boys will make you want to throw things sometimes, but they'll worm their way into your heart eventually. And that ending! Yes! Loved it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 9, 2021
B
Verified Purchase
Bonnie
West Palm Beach, US
★★★★★ 5
All The Things!!
Format: Kindle
This is definitely worth reading! The spice is nice, but the story itself is truly an epic literary treat! Tessa and her Alphas are a powerhouse force of nature who will capture your heart. This story is also a great reminder of how fickle life can be and how quickly everything can change for anyone. Every single person, billionaire to janitor, is nothing but one tragic event away from being in the same situation as Tessa was in. ❤️
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 10, 2025
J
Verified Purchase
Jenna
Bozeman, US
★★★★★ 4
Kind of difficult to get through for the first half but worth the read!
Format: Kindle
3.75/5 ⭐️ What this book lacked in being fully polished, it made up for in world and character building for sure! While the first half was hard to get through, as this is a book that starts you in the present and then goes back and forth between different times in the past to get you up to speed with what’s happening in the future (and it’s not all chronological in the past which made it even harder), once all of the book is set in the present, Tessa and her pack, Ryder, Dixon, Mac, and Tray, (and of course Josie the cat,) all begin their journeys of finding themselves both individually and within their pack which is so rewarding to see after all of the tragedy and sadness detailed in their last few years leading up to meeting. I think this book could’ve done with another beta reader or two to polish up grammatical errors as well, some of those took me out of the story for a minute to try to figure out what was trying to be communicated. Overall, this story filled with so many dichotomies of love and loss, grief and happiness, hurt and comfort, all culminating in a lovely story of a pack that strengthens each other after many tribulations, and it warms your heart so so much to see them go through every version of themselves, landing on secure and happy individuals who make a wonderful pack together. Would absolutely recommend if you like slow burn, rockstar, big city, and initially heavy and a bit dark but fades into comfort and fluffy omegaverse stories!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
J
Verified Purchase
j j
Alexandria, US
★★★★★ 3
i should have waited for there to be reviews posted
Format: Kindle
I'm being more generous than I should because this is a debut novel i downloaded this book because i like why choose and band romances i figured that it wouldn't take too long to get back to where the prologue was because the prologue seemed to be less than a day before they met the FMC and the MMCs don't meet til 60 % of the way in which for a Romance novel kinda hard for the relationship to develop or for there to be plot beyond them just meeting in a way where the FMC really lacks agency a lot of early plot and character things are forgotten about after they met it's almost as if the last third of the book was written first and then they went back to write backstory separately but forgot there needs to be a plot i get wanting to have background on the characters, but there has to be a way to do it without constant time jumps and no plot progression. Tessa's story jumps around a week lead up so much also the band aspect is very much an afterthought in the novel Spoilers-- one of the MMCs is openly pan and one of them has been dealing with a bi awakening but being somewhat defensive about it and once Tessa arrives that gets forgotten about til the epilogue and even then doesn't actually confront his sexuality the wrap up of the church hiding her name is tied up with a quick sentence, but no real consequences for anyone i honestly thought she forgot about family pack IRS deal until the final chapter and that gets resolved in an unsatisfying way the pack is upset that Tessa gets viewed as an object and tricked into the contract but has no interest in making the company's wrongdoings public or trying to prevent this from happening to other omegas tessa goes over a lot of struggles of homelessness but she only thinks about food waste once after joining the pack -- you'd think she'd use her newfound wealth and power to help other homeless individuals, especially youths and omegas. even a little side note to say that a portion of tour proceeds or her family fortune would go towards public food pantries and shelters would've done something to connect her beginning character to the end character
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 3, 2025
S
Verified Purchase
Shelly B
Grantham, US
★★★★★ 3
BORING and too long
Format: Kindle
I could not believe how wordy and boring this book was. No spice at all. Slow burn is really a NO burn. Almost DNF and now I’m sorry I stuck with it. 500 pages could ave been 150 and it would have been more than enough. I highly doubt not recommend this work of yuck.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 25, 2026

recommand products