ProSupps Mr. Hyde NitroX Review

By March 21, 2018 January 5th, 2019 No Comments

ProSupps Mr. Hyde NitroX













  • Effective
  • Great Value
  • Solid Profile


  • Taste
  • Mixability

Overview of ProSupps Mr. Hyde NitroX

ProSupps was made famous for their pre-workout combo (1-2 punch) Jeckyl and Mr. Hyde. Since the creation of those two highly successful products, ProSupps has branched out into many different categories, all proving to be highly successful. They never forgot their roots, and continue to iterate with line extensions off of their highly successful Hyde series.

is a fully disclosed, effective pre-workout that made a 230lb man have some of his greatest lifts in the gym. Mr. Hyde NitroX is a high caffeine based pre-workout that provides a solid pump and focus. The best part? The price. For 30-servings, you’re only going to pay roughly $30. That’s well below the industry average price per serving.

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    Our review panel is made up of individuals with many years of experience in the sports nutrition industry, dating back to the early 2000’s. Their tenure gives them knowledge on brands, supplements, ingredients, dosages and more.
    Unlike the majority of “review” sites on the internet, Fitness Informant reviews every supplement on a full-container basis. What does this mean? It means that a review is not written or recorded until the last serving of that product has been finished. We’ve all had products that were great for the first couple of days, but then lost their effectiveness shortly after. We want to ensure you are getting a full review based on a full product.
    We breakdown each ingredient in our reviews to educate you on exactly what the ingredients do, and what is the proper dosage of each ingredient to effectively do what they are intended to do.
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Testing Results and Ratings

We reviewed ProSupps Mr. Hyde NitroX on five categories. We first start by looking at it’s ingredient profile. This portion of the review looks at the different ingredients used in the pre-workout, what their intention is and how effectively dosed are each ingredient.

We then look at effectiveness. An effective pre-workout will use high quality, proven ingredients, at clinically backed dosages.  This is generally an extension of the profile section. The higher quality ingredients used at proper dosages, the more effective that product will be.

Then we move into the taste of the different flavors we’ve tried. We grade each flavor separately and average the scores for their overall taste rating. We were able to test out the following flavors: What-O-Melon.

Mixability refers to how well the powder mixes in 12oz of water. We use the shaker bottle test. This would be your typical Blender Bottle with the spiral chrome ball.

Finally, we talk about value. Value is the combination of profile, effectiveness, taste and mixability in relation to cost. Another part of value are the competitors and other versions of pre-workout products on the market.

Ingredients Profile


Mr. Hyde NitroX doesn’t do anything crazy in their profile. There is no DMAA or DMHA. There are no new state-of-the-art ingredients. Instead, ProSupps focused on proven, safe ingredients to ensure prolonged shelf existence (meaning the FDA won’t be chasing them down anytime soon.)

We like the fact that Mr. Hyde NitroX is a transparent label. This is a change for when their precursor Mr. Hyde hit the market many moons ago. With that said, let’s dive into the ingredient deck.

We start out with 4.5 grams of a “strength” matrix. You could also call this the pump complex as well. We start out with 2.5g of Beta Alanine. Beta Alanine has been shown to increase endurance and strength output. The clinical dosage of Beta Alanine is 3.2g, so we are just a tad light here, but nothing too crazy. Next, we get 1g of Creatine Nitrate (NO3-T). Creatine Nitrate is a more water soluble form of Creatine compared to Creatine Monohydrate. Various studies have shown that you need about 1/2 of Creatine Nitrate versus Creatine Monohydrate (5g is the clincal advantage) to be effective. At 1g we are lower than that. Creatine Nitrate will help with strength output and pumps. Nitrosogine is used next at 500mg. This is a pump activating ingredient that works wonders. You will typically find this or Glycerol for a pump agent. Being dosed at 500mg puts it in-line with competitors that use Nitrosigine. L-Citrulline Aspartate is used next at 500mg. Pure Citrulline should be dosed between 3-5g. Citrulline Malate should be dosed between 6-8g. This ingredient is going to help with pumps, however it is dosed low.

The next section is straight forward. It’s the caffeine matrix at 420mg. You get 300mg of Caffeine Anhydrous (most popular form of Caffeine used in supplements), 70mg of Di-Caffeine Malate and 50mg of a Caffeine Citric Acid Blend consisting of Citric Acid and more Caffeine Anhydrous. This is a lot of caffeine folks. A lot. This is why it was so effective for our product tester. The 300mg of Caffeine Anhydrous will give you that blast of energy in the beginning stages of your workout. The 70mg of Di-Caffeine Malate will help prolong that energy throughout the lift as it is a more euphoric form of Caffeine (meaning it isn’t a hard hitting form of Caffeine but helps prevent crash).

Lastly we get the intensity matrix at 653mg. The first ingredient of this deck is 500mg of Choline Bitartrate. This is a cognitive enhancing ingredient designed to help with focus and memory. This is a typical dosage of it. Next we get 50mg of Theanine. Theanine is a relaxing agent. This will help you focus on the task at-hand. This is usually taken with caffeine between 100-200mg. We are lower here, but still a nice addition. N-Acetyl Tyrosine is next at 500mg. This is another cognitive enhancing ingredient. This is typically dosed around 1g, so this comes in just a tad lower. TeaCrine is next at 25mg. This is a natural energy supplement. The difference between this and caffeine, besides price, is that you don’t grow a tolerance to it (per studies). There are no studies to indicate the ideal amount, but most research suggests that this is sufficient in lower doses. GABA is used at 25mg. GABA is used to boost mood. At 25mg, this is highly underdosed, but I don’t believe they are looking to give you a clinical dosage of GABA. GABA also boosts your body’s natural HGH levels.  Finally, Yohimbe is used at 3mg. This is a fat burning agent typically found at lower dosages. Some people are good with it, while others cannot stand it.

Overall, the profile uses safe ingredients at decent doses. We are not drastically underdosing on key ingredients with this profile, at the same time, we are not getting overly dosed either. This profile is designed to do what Mr. Hyde NitroX is intended for, to provide energy, pump and focus.

Mr Hyde NitroX Label



We want to preface this by saying that our 230lb product tester on Mr. Hyde NitroX has tried a lot of pre-workouts over the years. Some very high stims and others not to high. It is important to note this when you read his feedback. The following excerpt is directly from the tester:

“I recommend for advanced users, would not recommend for beginners or people that abuse supplements. I have been using pre-workouts for years, and this shit will blow your socks off! One of the strongest pre-workouts I have ever used. Use this for the full 30-servings and every time felt the tingles (worked out fasted) and skin ripping Beta Alanine feels. Extreme focus and endurance throughout training. Very high caffeine levels, do not stack with other caffeinated products.”

Based on our conversation with the tester, he really loved the energy, focus and endurance from the product. Based on the profile, you would expect high energy and endurance. Focus is also aided by Caffeines ability to stimulate your central nervous system so this does not surprise us.

Overall, the product was super effective. One of the best pre-workouts he has ever had. Again, he’s had plenty of pre-workouts in his day, so we can honor and trust his feedback.


What-O-Melon: (6/10)

Although the product was one of the most effective products of his life, our product tester was not a fan of the taste. What-O-Melon should, in theory, taste like watermelon, but it didn’t have that taste. It wasn’t a great tasting pre-workout in his opinion. He’s had worse, but wishes this one would have been better.



Mr. Hyde NitroX didn’t mix the best in water. After his initial “drink,” he had to re-pour water back in the shaker to get the remaining sediment from the bottom of the shaker.

Water usage can cause this to change, but when mixed with 8oz of water, it would chalk up and not be as soluble as we’d like.



Our reviewer said that if ProSupps could get the flavor and the mixability locked down, this would be a 9 out of 10 pre-workout (which would make it one of our best). That would also make Mr. Hyde NitroX one of our top rated pre-workouts for only $30.

Even thought it’s not a perfect 10 out of 10, Mr. Hyde NitroX may go down as one of the best values on the pre-workout market. For $30 you get 30-servings ($1/serving). While most are going to $2/serving, ProSupps still believes in the price conscious consumer. Yes, the taste and mixability can use some work, but an effective pre-workout for $1 a serving is hard to find.


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