Nitraflex Advanced

You’ll find that as your training goals grow, you will need to work harder to power through plateaus, and your choice of just the right pre-workout is a decision to be made very carefully. Feel your power surging within minutes, from just one delicious scoop of NITRAFLEX ADVANCED. Given its strength, it’s recommended to first closely assess your tolerance by initially using just half a serving.

Select Flavor: Blue Raspberry
Price Free shipping $50+
Sale price$29.99

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Why Nitraflex Advanced

Explosive Energy

The exclusive NITRAFLEX ADVANCED formula arms you in your fight against the gym iron with 325mg caffeine, 1000mg of nitrosigine, and a clinically researched dose of boron in every scoop. The volume of energy and focus has been cranked way up!

Intense Focus

The cognitive enhancers in NITRAFLEX ADVANCED contain unique ratios of scientifically validated compounds that help you remain alert, intense, and focused while you’re flying from set to set with your veins fully dilated and muscles pumped to the extreme.

Extreme Pumps

Break free from average pre-workout formulas and amplify your strength and free testosterone with a high-dose of Nitrosigine and other potent ingredients for fast, explosive training results, every day!

Just when you think you’ve hit the wall and you are on your last rep of the session, NITRAFLEX ADVANCED kicks in and says, NOPE, you’re going right through that wall. For well over a decade and through grind after grind, trainers and bodybuilders who know, recommend NITRAFLEX as the preeminent pre-workout. NITRAFLEX ADVANCED is a formulaic powerhouse that crushes any session with extreme pumps, pushing beyond all expectation.

  • Explosive Energy
  • Intense Focus
  • Extreme Pumps

Build your stack

Pair this product with complementary GAT Sport products to cover energy, strength, and recovery.

Real Customers

4.6

349 reviews

Customer Reviews

Based on 349 reviews
84%
(292)
7%
(24)
3%
(10)
1%
(4)
5%
(19)
M
Miguel de la Flor

The best pre workout I have tried.

A
Anonymous

Love the extra caffeine this pre workout brings to the table

R
Robert Fortner

Great pump and focus! Break your plateaus.

J
Joseph Labozan

no

M
Mario Canseco

Great taste great pre-workout

  • 3rd-Party Tested
  • Authenticity Verified
  • cGMP Manufacturing

Compare products

See how these options differ on intended use, timing, and key specs.

Nitraflex Advanced
Your pickPowder

Nitraflex Advanced

Best for

Serious lifters wanting strong energy, focus, pumps and endurance

When to use

Within 30 minutes before training; do not take within 5 hours of bedtime

Key specs

325mg caffeine; 1,000mg Nitrosigine®; clinically researched boron

Flavors available

  • Blue Raspberry
  • Grape
  • Green Apple
  • Fruit Punch
  • Black Cherry
  • Watermelon
Chewable

Nitraflex Pre-workout Chews

Best for

Convenient pre-workout energy, focus and performance

When to use

30 minutes before training

Key specs

200mg caffeine; 4g L-Citrulline; 3.2g Beta-Alanine; 100mg L-Theanine per 4 chews

Flavors available

  • Blue Raspberry
  • Fruit Punch
  • Grape Cotton Candy
Powder

Nitraflex Burn - Enhanced Formula

Best for

High-stim thermogenic performance, energy, focus and pumps

When to use

Morning on an empty stomach, 20–30 minutes before your first meal or protein shake

Key specs

350mg caffeine; 4g L-Citrulline; 3.2g Beta-Alanine; 2.5g Betaine

Flavors available

  • Fruit Punch
  • Strawberry Lemonade

Select size or flavor

Nitraflex Advanced Supplement facts

How to use & important info

How to use

Begin by assessing your tolerance with half a serving of NITRAFLEX® mixed with 5oz of cold water. Consume within 30 minutes before working out. Depending on tolerance, mix 1 serving (1 scoop) of NITRAFLEX® with 8-10oz of cold water and consume within 30 minutes before working out. Do not take within 5 hours of bedtime.

SPECIAL TIMES OF USE
(Do not take more than 1 scoop within 24 hours)
• Before powerlifting meets
• Any type of weight training
• Anytime extreme energy/focus is needed

Frequently Asked Questions

We know that choosing the right supplements and vitamins is an essential part of your health and fitness journey. That’s why we’ve put together answers to the most common questions our customers ask, covering everything from ingredient transparency to usage.

Key Ingredients

Key actives and what they do — open a row for the full dose detail.

Nitrosigine

Clinical research shows Nitrosigine helps boost energy, increases blood flow, enhances muscle volume to create truly impressive pumps, improve mental focus, and combat muscle damage from intense training sessions.