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Mr. Hyde NitroX









  • Quality ingredients
  • Synergy
  • Transparent label
  • Decent price


  • Caffeine dependent
  • Stimulant side effects

Mr Hyde NitroX Pre Workout FAQ

  • One Container: 30 servings
  • Serving Size: 1 Scoop (7.7 grams)

Just like the name implies, Mr Hyde NitroX pre-workout seems to be the type of supplement that’s made to bring out the monster in you when you hit the gym.

We look forward to reviewing a product based on a really popular character, but hopefully, it lives up to the hype the same way the story did.

Is Mr Hyde NitroX pre-workout as beastly as it sounds or is it just riding on the hype of a classic? Read on to find out.

Who Makes It?

Mr Hyde NitroX Pre Workout is a product described as a solution that will overpower even the toughest workouts. They’re proud to say that their unique formula is loaded with Yohimbe and features a 420mg caffeine matrix with TeaCrine® for laser-sharp focus, and is further powered by Beta-Alanine, Creatine, Citrulline, and Nitrosigine®. 

We’re not sure how unique it is to have some really common ingredients, but we’ll take their word for it.

They also say that just one scoop delivers extreme energy with increased power, strength, endurance, and pumps.

Marketing Claims Made

The following claims were made about Mr. Hyde NitroX Pre Workout:

  • Extreme energy: The 420 mg caffeine is quite a dose.
  • Laser-sharp focus: There is evidence of nootropic use, but we’re not sold on them given the doses used.
  • Loaded with Yohimbe

What’s in it?

Now, let’s take a closer look at what’s inside Mr. Hyde NitroX Pre Workout:

In one 7.7  grams scoop, you will get:

Strength Matrix

  • Beta-alanine: Beta-alanine is an endurance and recovery ingredient best known for its itchy side effect. It helps delay fatigue which can translate to better lifts and better gains. [1]
  • Creatine: Creatine is the most popular pre-workout ingredient, with over 200+ studies citing its benefits for the human body. It can provide strength benefits and improve muscle recovery. Because of how it can boost recovery, some say creatine is a great post-workout too. The form we have here is HCl which is great for digestion as it reduces the bloating sensation, but not as great for absorption. [2]
  • Arginine Silicate: This ingredient is a fast-acting compound that boosts performance which can last up to 6 hours, depending on the dosage. It mainly works by spiking nitric oxide production, much like the ingredient below. [3]
  • Citrulline: Citrulline is a basic ingredient when it comes to building a blend with pump benefits. It activates the body’s systems that promote nitric oxide production similar to arginine, but better. We would have preferred its citrulline malate form for better absorption, but we’ll take it. [4]

Caffeine Matrix

  • Caffeine: Caffeine is an ingredient that you either hate or you love. Regardless, it serves one clear purpose in pre-workouts and that is to boost your energy and help you power through your workouts. The 300 mg dose is equivalent to around three cups of coffee, guaranteeing enough energy for even your toughest leg day. [5]
  • Di-Caffeine Malate: This form of caffeine is made more bioavailable and is said to eliminate the gut discomfort felt when taking pure caffeine anhydrous. This is also a “fast-acting” form of caffeine, for when you need that burst of energy immediately. [6]
  • Caffeine + Citric Acid blend: Another fast-acting form of caffeine. Looks like this caffeine matrix really is meant to speed you up in no time. [7]

Intensity Matrix

  • Choline: Choline is a brain nutrient that you use for general brain functions such as thinking, keeping focus, and memorizing. In a pre-workout blend, choline is added for its nootropic benefits. However, the form we have is choline bitartrate, and it’s the cheapest and weakest form of choline. Even with the 500 mg dosage, you might not even get half of that in your system. [8]
  • Theanine: Theanine is also a nootropic, but we think it’s better suited as a way to neutralize caffeine’s side effects. And because of the fast-acting and heavy dose nature of the caffeine we have here, 50 mg theanine dose might be a bit low. [9]
  • N-Acetyl- Tyrosine: This nootropic is taken for better focus much like other nootropics, but the 50 mg dose is meh at most. [10]
  • Theacrine: The best thing about theacrine is it’s already a smart blend that stimulates without the jitters. The 50 mg dosage is too small for any significant effect. [11]
  • GABA: This is a weird addition. GABA is more of a “feel good” ingredient, but you need to take GABA in grams and accompanied by something like niacin to help bypass the blood-brain barrier. We do have niacin in the vitamin blend, but 25 mg is too tiny for GABA to have any real effect. [12]
  • Yohimbe: Yohimbe is yet another weird addition. It’s often taken as a fat burner, but it has controversial side effects related to palpitations and blood pressure. Good thing the dose is only at 3 mg, because that makes it not as scary to take. [13]

All in all, Mr. Hyde NitroX Pre Workout relies too much on caffeine and the buzz. We’re a fan of energy-boosting and all, but too much buzz in a pre-workout can be a buzzkill. Not to mention how the other ingredients seem to be added as extras rather than as key ingredients given the dosages they were left to work with.

Supplement Facts Label

Mr Hyde Nitrox Pre Workout


Based on what we’ve seen, we think the following benefits are what Mr. Hyde NitroX Pre Workout can provide users.

  • A lot of energy: Talk about becoming a raging beast. 420 mg of caffeine is pretty strong, given that it’s equivalent to more than 4 cups of coffee. Really strong stuff, even for most coffee drinkers.
  • Decent focus: The laser focus claim is not solid, especially since the bulk of the dose is given to choline bitartrate, a nootropic with really poor bioavailability. However, it does have notable nootropics as well, so perhaps it can give focus but just not as good as you would expect.
  • Good performance: The beta-alanine dose and creatine could have been better, but they’re top-notch ingredients so they should still work as intended but at a relatively minimal level.


The most probable side effects of using Mr. Hyde NitroX Pre Workout will have to come from the large caffeine dose. Even if you’re a fan of espressos and large coffee orders, 420 mg is still pretty huge.

If you can’t handle your caffeine well, you might experience jitters, sweating, headaches, and even the crash.

Obviously, there could be other side effects depending on your interaction with the other ingredients.

We always recommend you speak with your doctor before taking any products featured on this site.


One of the best things about Mr. Hyde NitroX Pre Workout is it contains 7  flavors to choose from.

  • Blue Razz Popsicle
  • Cherry Popsicle
  • Cotton Candy
  • Lollipop Punch
  • What-O-Melon
  • Sour Green Apple
  • Purple Lime Rickey

Number of Servings

One bottle has 30 servings. One serving is 7.5 grams.

Top Alternative to This Product

Mr. Hyde NitroX Pre Workout vs RedLine White Heat

We think the best pre-workout to match Mr. Hyde NitroX Pre Workout is RedLine White Heat based on ingredients and stimulant use alone.

  • Hydroxypropyl Distarch Phosphate
  • Caffeine Anhydrous
  • 4-Amino-2-Methylpentane Citrate
  • Highly Branched Cyclic Dextrin
  • Citicoline Sodium (CDP-choline Sodium)
  • Evodia (Evodiae Fructus) (fruit) (Std. to Evodiamine)
  • Yohimbre (Coryanthe yohimbre) (bark) (std. to yohimbre HCl)
  • Theacrine

The eye-popping ingredients here are caffeine which is dosed at 400 mg and yohimbe standardized for yohimbine. From a pure energy and focus standpoint, we think RedLine White Heat is much better given the various ingredients used for synergy. However, we still give Mr. Hyde NitroX the overall win because of the performance benefits as well as the added strength enhancers.

Customer Feedback

We looked at Amazon reviews on Mr. Hyde NitroX Pre Workout and found that they rate the product a good 4.3/5.

Some buyers say it gave them a lot of energy, turning them into “superhumans” as one of the comments mentioned. They also mention that the supplement also works even at 1/2 the scoop.

Some of the critics pan it for having too much energy, with one user citing heart palpitations and blood pressure problems shortly after ingestion. They also cite stomach problems, which is probably due to the caffeine content.

Bottom Line

Mr. Hyde NitroX Pre Workout is a great pre-workout that can help you work out like a beast inside the gym.

The problem is it relies too much on caffeine, and we don’t like supplements that are heavily stim-dependent. Caffeine is cheap, so for it to be your main source of power may not bode well for experienced users.

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