Mr. Hyde NitroX
Pro Supps

Mr. Hyde NitroX

Pre-Workout Amplifier*
Supports Muscle Strength, Power, and Endurance*
8.7  out of 10  (57 Reviews)

Product Overview

Mr Hyde NitroX Container

Break Down Barriers With Extreme Energy & Power

Mr. Hyde® NitroX is an energy earthquake with double the energy of the leading pre-workout supplements.* ProSupps® unique formula features a 420mg caffeine matrix, plus a powerful combination of Yohimbe, TeaCrine®, Beta Alanine, Creatine and Nitrosigine®. One scoop of this extreme pre-workout formula delivers intense, sustained energy and focus with increased power, strength, endurance and maximized pumps.* Perfect for men and women who are looking for the ultimate in premium pre-workout powder energy drinks.*

420mg Caffeine Matrix
3mg Yohimbe
25mg TeaCrine®
500mg Nitrosigine®
2.5mg Beta-Alanine

What is Mr. Hyde® NitroX?

Mr. Hyde® NitroX is way more than just another pre-workout supplement. Formulated to be the complete training solution, Mr. Hyde® NitroX takes you to a whole new level. With scientifically researched ingredients to promote pumps, vascularity, strength, mental focus, sustained energy, and motivation, Mr. Hyde® NitroX leaves no stone unturned in the pre-workout checklist.* Don't settle for just any energy pre-workout; leave no doubt with Mr. Hyde® NitroX.

What is the difference between Mr. Hyde® NitroX and Mr. Hyde® Signature?

While both are a great choice, Mr. Hyde® Signature was designed as a performance, versatile extreme energy pre-workout supplement that is Informed Choice® certified, banned substance tested, while Mr. Hyde® NitroX was crafted towards the ‘hardcore gym rat’ or advanced pre-workout user.* Both deliver a research-supported emphasis on improving performance in strength, endurance and energy.* No matter which you choose, you’ll transform your workouts from ordinary to extreme with the power or Mr. Hyde® NitroX.*

What is the difference between Mr. Hyde® NitroX & Dr. Jekyll® Stim-Free?

Both Mr. Hyde® NitroX and Dr. Jekyll® Stim-Free were formulated for the ultimate pre-workout experience designed to maximize training capacity and performance.* The difference is that Mr. Hyde® NitroX was designed with an emphasis for those looking to achieve extreme energy and focus and features a powerful stimulant blend.* It features the revolutionary ingredients Nitrosigine® for increased and sustained blood flow and TeaCrine® for sustained energy and focus.* Dr. Jekyll Stim-Free on the other hand was designed as a stim-free approach with emphasis on supporting increased blood flow for maximum pump & muscle volume.* With zero caffeine, we added creatine hydrochloride and beta alanine for sustained endurance, plus afromomum melegueta for intense thermogenic burn, so you get the perfect all-around pre-workout for anyone looking to maximize their performance and focus.*

Ratings & Reviews

Mr. Hyde NitroX
Overall Rating
57 Ratings
Verified Buyer Rating
31 Ratings
Average Flavor Rating
12 Flavors
Top Rated Flavor
Cherry Popsicle
By clicking the button above, you agree to entering the Reviews section. Products in the Store are not intended to diagnose, treat, cure, or prevent any disease.
Jan 26, 2021
Verified Buyer
  • 10 What-O-Melon
  • 5 Blue Razz Popsicle
  • 10 Pixie Dust

I love this stuff! This gives me energy, even when I have zero motivation and the flavors are amazing for the most part. My favorite is probably the Cherry Popsicle. It tastes just like I expected, but with a little bit of a vanilla hint to it. The what-o-melon is also delicious and tastes just like a Jolly Rancher. Pixie Dust tastes like a sweet Raspberry Lemonade to me. The only flavor I didn't enjoy was the Blue of the other reviews described it perfectly, like Ny-Quil with sugar in it. Not my thing, but maybe it's yours... I am a smaller person, so I tend to use half a scoop and it is the perfect amount for me.

Aug 18, 2020
Verified Buyer
  • 9 Pixie Dust

Flavor is ok, but what this stuff does to goodness, I transend when I'm on this! I get to a whole new level and push till failure and want to keep going! 10/10

Jun 05, 2020

My friend took this and started shaking and sweating for over 3 hours. Saved me from suffering the same fate. Not recommended for sensitive individuals.

Feb 18, 2020
Verified Buyer


Jan 09, 2020
  • 10 Pixie Dust

I am currently using Hyde and it is my first time with this pre-workout. I have been using GAT Nitraflex for over an year now and although I was a little skeptical switching from what I have been using, am not disappointed at all. I must admit that this is one of the best that I have used by far. No unnatural sweet flavor, no tingling, no crashing, but steady focus and energy throughout a heavy lifting session. I found something of value after GAT Nitraflex and I will continue to use both!

Dec 18, 2019
Verified Buyer
  • 10 Pixie Dust
  • 7 Blue Razz Popsicle

One scoop prior to a workout seems to work for me. No racing heart beat no crash just focus. If i take it on an empty stomach it does tend to make my skin crawl a little. That feeling passes. Pixie dust may just be the best tasting powder i have ever used. its like liquid cotton candy. the blue razz... well its more like nyquil with some sugar in it. If you are just looking for some focus or a little pep, this stuff works great... for me.

Oct 24, 2019
  • 7 Sour Green Apple

I personally think this product has a stupid amount of caffeine and there are a lot of people taking it who shouldnt. An employee at my gym sold this to an obese 50 year old man, who probably had CVD, and I was just waiting for the guy to stroke out. Plus when I asked why they added GABA which is an inhibitory neurotransmitter, they had no idea what I was talking about. Fyi, supplemental GABA does not cross the blood brain barrier unless you are very deficient, it's effects on the peripheral nervous system are fairly unknown, and an inhibitory neuro transmitter depresses your body, like how alcohol works. In summary this product is just a lot of caffeine, and a dose of beta alanine. I find a cup of coffee after my normal preworkout gives me a much more controlled energy during my workout, without the heart palpitations.

Aug 24, 2019
Verified Buyer

I'm currently 170lbs and intake lots of caffeine so this one is great for me. One full scoop really gets me going and the taste is great.

Apr 30, 2019
Verified Buyer

The flavor is good. The product is mostly just caffeine. If you aren't used to it do not start with this preworkout. This preworkout lacks sufficient amounts of other common ingredients that you would want to see such as beta alanine and citrulline.

Mar 27, 2019
Verified Buyer
  • 9 Lollipop Punch

Love this. Always trying new pre workouts and this one never fails. Perfect amount of caffeine and b alanine. Highly recommend

Feb 08, 2019
Verified Buyer
  • 9 Pixie Dust

I only have to use half a scoop and I’m ready to take on the hulk this stuff is like drinkable angel dust withought the negative side affects I love it

Dec 01, 2018
Verified Buyer
  • 10 Sour Green Apple

kind of disappointed because of WARNING: California’s Proposition 65 :( Dam I love this product so much but :(

Nov 23, 2018
  • 10 Blue Razz Popsicle
  • 8 Pixie Dust
  • 10 Lollipop Punch

Wow! This product is the one of the best pre workouts i've ever had, yes I can agree this product does give you some serious jitters but personally I love it. I work all the time sometimes I don't have the energy to exercise but soon as I take this I feel like a raging bull ready to break into some action. I wouldn't recommend for people who hate the jitters or to take for a late night workout because It will keep you up all night but other than that this product is awesome. Also Blue razz and lollipop punch are the two best flavors in my opinion.

Sep 27, 2018
  • 10 What-O-Melon

As far as raw energy goes, this PWO delivers the goods. It gave me some of the best and purest energy I've had in the gym. In fact, most of the time 2/3 scoop is plenty for me to get the job done. The energy comes on quick and lasts the entire gym session, and I love it. The What-O-Melon flavor is delicious, it tastes more like a candied watermelon, think watermelon lollipop or something like that. Very innovative and a nice spin on the traditional watermelon flavor. And for the price this is a great value. Catch it on sale and it's even better! Mr. Hyde NitroX really delivers.

Sep 03, 2018
  • 10 What-O-Melon

Total caffeine is actually 372.5g if I'm not mistaken: Di-caffeine Malate is 75% caffeine (52.5mg), Caffeine Citrate 50% (25mg) + 300mg Caffeine Anhydrous = 372.5mg. So, I've taken 497-559mg of caffeine + 33-37.5mg of Teacrine in a 1 1/3 or 1/2 serving which gave me better pumps w/a mental stimulation that lasts for 3-4hrs. I found that this is best for weight that you can control which makes it ideal for hypertrophy or slow powerlifts. What-o-Melon definitely needs at least 10-12oz of water otherwise the jolly rancher flavor is overpowered by the ingredients. I'd recommend this for bodybuilding style workouts especially at the dosage of at least 1 1/3 scoops which didn't make me jittery or uneasy. Overall, had better workouts than expected given minimal pump ingredients which is a testament to the efficacy of Nitrosigine.

3 Sizes
12 - 7.5 Oz. Bottles
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2 Flavors
Pixie Dust
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Price: $44.09  ($3.67 / Serving)
Flavor Rating: 9.3


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Supports Muscle Strength, Power, and Endurance*

What's in Pro Supps Mr. Hyde NitroX

12 - 7.5 Oz. Bottles Pixie Dust
Serving Size: 1 Serving 7.5g Fl. Oz. (212 ml)
Servings Per Container: 12
Amount Per Serving %DV
Niacin 25 mg 156%
Strength Matrix 4.5g
Beta Alanine (CarnoSyn®) 2.5 g **
Creatine Nitrate (NO3-T®) 1 g **
Arginine Silicate (Nitrosigine®) 500 mg **
L-Citrulline Aspartate 500 mg **
Caffeine Matrix 420mg
Caffeine Anhydrous 300 mg **
Di-Caffeine Malate 70 mg **
Caffeine Citric Acid Blend 50mg **
Citric Acid **
Caffeine Anhydrous **
Intensity Matrix 653mg
Choline Bitartrate 500 mg **
Theanine 50 mg **
N-Acetyl Tyrosine 50 mg **
Theacrine (TeaCrine®) 25 mg **
Gamma-aminobutyric Acid (GABA) 25 mg **
Yohimbe Bark Extract 3 mg **
* Percent Daily Values are based on a 2,000 calorie diet.
** Daily Value not established.
† Actual Caffeine Content is 378mg per serving
Other Ingredients:
Triple Filtered Water, Soluble Corn Fiber, Natural and Artificial Flavors, Sucralose, Citric Acid, Tartaric Acid, Calcium Silicate, Acesulfame Potassium, Malic Acid, Potassium Sorbate (as a preservative), Sodium Benzoate (as a preservative), FD&C Red #40.
Contains 0% Juice
Manufactured in a facility that processes milk, egg. soy, wheat, and shellfish.

Directions For Mr. Hyde NitroX: To assess tolerance mix ½ scoop of Mr. Hyde® with 8 oz of cold water. Once tolerance has been assessed, mix 1 scoop of Mr. Hyde® with 8 oz of cold water and consume 15 to 30 minutes before exercise. Do not consume Mr. Hyde® within 4 hours of bedtime. Do not take any other products that contain caeine or any other stimulants while taking Mr. Hyde®. Shake container well before use.

Warnings: Mr Hyde™ NitroX is for advanced exercise and supplement users only. Do not exceed one serving in a 24 hour period.

This product is intended for healthy adults, 18 years of age or older. Consult a physician prior to using this, or any other dietary supplement. Do not take this product if you are pregnant or nursing, if you have or suspect you may have a medical condition, or if you are taking any prescription or over-the-counter medications. Do not exceed recommended serving. Exceeding recommended serving may cause adverse health effects. This product contains 378mg of caffeine, the equivalent of approximately 4 cups of coffee and may not be suitable for individuals who are sensitive to the effects of caffeine. Too much caffeine may cause nervousness, irritability, sleeplessness, and occasional rapid heartbeat. Immediately discontinue use and consult a qualified medical professional if you experience any adverse effects. KEEP OUT OF REACH OF CHILDREN.

* 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.