Pre Jym Pre-Workout Review (2019): | Does This Supplement Actually WORK?

You heard this among your gym friends and seen it on the store shelves. People refer to it as one of the great pre-workout supplements that ‘started it all’. It is Dr Jim Stoppani’s Pre Jym.

Formulated by such a well-known and respected fitness influencer and specialist, a product with this popularity and credibility can take nothing but great expectations.

Well, I did have great expectations for this. 

Jym PreAfter using it for quite a while, I came up with this pre workout review to share what I think everyone should know about this so-called ‘PWO King’. And, if you are wondering if it is even effective or not, then this is the right place for you!

According to bodybuilding.com, out of 4,023 customer reviews, Pre Jym garnered an average rating of 9.1 out of 10, proving that there is no doubt how many people are actually trusting and positively reviewing this Jym supplement.

But over the years, rumor has it and says that this product is potentially dangerous because it can cause cancer. 

How true is this? Is it  safe to take? Does it really work after all? If you have these questions in mind then stay with me to find out the answer.


What is Jym Pre Workout Supplement

Pre Jym Pre Workout

JYM is the supplement company founded by Dr. Jim Stoppani. It is a long-running company and it recently innovated and improved its formula in the form of JYM Supplement Science PreJym supplement.

It claims to be the most effective pre workout supplement ever developed as it is built on solid science and decades of professional experience. It is research made real and is packed with 13-hand picked ingredients to help build lean muscle, torch body fat, improve strength, and boost speed.

JYM Supplement Science promotes three of its workout supplements: PRE JYM, POST JYM, and PRO JYM.

As I see it, it has landed a respectable place in the list of top pre-workouts because of its following product features:

  1. 1
    No proprietary blends - No hidden formula or substances
  2. 2
    Proper amounts - Right dose of every ingredient
  3. 3
    No “abbreviated” formulas - Has all the right ingredients
  4. 4
    No concentrates - No magic, just pure science

I believe that all of these features are true but I found one thing that concerned me at some point. When it mentioned that this product has the right dose of content, I doubted. 

Let me show you a closer look at its nutritional content to explain what I mean.


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Pre JYM Nutrition & Ingredients

JYM Pre Ingredients

PreJym supplement science is packed with 13 powerhouse ingredients and highlights 5-key ingredients:

  • BCAAS 6g
  • CITRULLINE MALATE 6g
  • CREATINE HCL 2g
  • CARNOSYN BETA-ALANINE 2g
  • BETAINE 1.5g

This is definitely a solid pre-workout formula that contains all the necessary ingredients such as Citrulline Malate, Beta-Alanine, and Betaine. This is commonly found in all effective pre-workouts.

In addition to these are the following:

  • Taurine, 1g
  • N-Acetyl L-Cysteine, 600mg
  • Alpha-GPC, 300mg
  • Beet Root Extract (Beta vulgaris L.), 500mg
  • L-Tyrosine, 1.5g
  • Huperzine A, 50mcg
  • BioPerine (to aid in the absorption), 5mg

Supplement supplies huge performance-boosting ingredients, mostly at effective doses. This contributes to increasing strength and endurance for effective workouts.

Pre Jym supplement science also prides itself to have a robust formula and aims for the inclusion of a range of ingredients at the proven effective doses. It is jampacked! It is highly dosed. Now, you may think the higher the content the better and more effective, but it isn’t always like that.

With PreJym, Caffeine content reaches an amount 300g which actually equivalents to 3 cups of coffee in just one scoop! I really like how this product gave me so much energy and motivation but it also kept me awake for a while and that bothered me.

Note: This product already has a high dose of ​caffeinated content so do not bother taking other caffeinated products along with it.

Taste And Flavors

 

Pre Jym comes in interesting different flavors:

  • Cherry Limeade
  • Tangerine
  • Black Cherry
  • Orange Mango
  • Pineapple Strawberry
  • Rainbow Sherbet
  • Raspberry Lemonade
  • Refreshing Melon
  • Strawberry Kiwi

I have tried Black Cherry flavor and it was fine. The taste was pretty good–though not in a way that it stands out among all pre-workouts that I have tried.

But recently, it released a new flavor called Pink Lemonade! So maybe it could be worth giving a try. 


What Are the Benefits, Effectiveness & Side Effects of Jym Pre Workout

Pre Jym Side Effects

Based on my experience, the main effects I felt from Pre Jym were the increased pumps, better focus, and more energy. While on others, benefits mentioned were more intense workouts, higher energy levels, enhanced muscle strength, and faster recovery.

I had a few side effects when I used it but other than that it was a good experience. There may also be a little tingling due to Beta-alanine but there is no danger in it.

In general, here are the possible side effects that can occur from using this product:

From caffeine

nervousness and restlessness, stomach irritation, nausea and vomiting, increased heart rate and respiration

From huperzine A

adverse reactions including nasal obstruction, nausea, vomiting, diarrhea, dizziness, thirst, and constipation

From creatine

​Muscle cramping, fever, weight gain, nausea, dizziness, water retention, dehydration, diarrhea, and gastrointestinal pain.

This product has also been rumored to cause cancer because of its label that stated—this product contains chemicals known to the State of California to cause cancer.

 

But good thing, there was no scientific proof on this and no reported cancer-related issues upon using Pre Jym. So overall, Pre JYM is safe. Although it works to some and not to others.

 

Now here is what others have to share about their experience:

This is the best pre-workout I have ever used! I have made amazing gains and the mental focus this stuff gives me is amazing! I have not used any other pre-workout since I bought this stuff. 

                                                                                                                                                            -Ice

I've had lots of different types of pre-workout supplements over my years but this has been the only one that didn't give me any good pre-workout jolt to pick me up and felt like it was just loaded with caffeine that ended up making feel nauseous.

                                                                                                                                                         -Tyler

John Doe

UI/UX Designer

I can not workout without JYM any more. This has increased my workout intensity and length of two-fold. I am getting older and this is the right product to get me back on the game. It doesn’t give me the jitters and no crash. Highly recommend.

                                                                                                                                                             -AB


Is PreJym Bad for Weight Loss?

This product is known to promote and boost fat loss. So is it bad for weight loss? The answer is obviously NO. Dr. Jim explains, “You are far better off and will get far better fat loss benefits from taking Pre JYM before you train.”

There were no reviews [yet] found that shows a negative experience when it comes to fat loss.


When Should I Take Prejym?

For instructions on how to take Pre Jym, it is recommended to mix one scoop with 12-32 ounces of water 30-45 minutes before workouts. 

When to Take Jym Supplement

Dr Jim Stoppani suggests letting Pre JYM sit for at least 10-15 minutes after mixing it to ensure all ingredients go into solution. He also adds sipping Pre JYM slowly over the course of 15-30 minutes to enhance absorption in the body and avoid any gastric discomfort.


Pre Jym Vs C4

Pre Jym, being on top of PWOs, can be easily compared to other products such as Advance Molecular Labs (AML) and C4 pre-workout. But let’s take a look at how Pre Jym stands along with Cellucor’s C4 Pre Workout

Versus C4

Here is C4’s nutritional content:

  • 1.6g CarnoSyn® Beta-Alanine
  • 1g Creatine Nitrate (NO3-T®)
  • 150mg Caffeine
  • 1g Arginine AKG
  • 250mg Vitamin C
  • 30mg Niacin
  • 500mcg Vitamin B6
  • 250mcg Folic Acid
  • 35mcg Vitamin B12
  • Explosive Energy Blend

When compared together, C4 contains five of the same key ingredients in Pre Jym but not the same dose.

While neither would be considered the best pre workout supplement—Pre Jym is more powerful, with higher doses of caffeine, beta-alanine, and creatine. 

Many of C4 ingredients are also hidden away in a proprietary blend plus a C4 Pre Workout product called C4 Extreme has been determined to contain a banned substance called Synephrine HCL, which gives Cellucor a red flag.


Where To Buy Pre Jym Preworkout

Pre JYM may not be available at Vitamin Shoppee but it can be purchased on various websites such as Amazon, bodybuilding.com, GNC and Walmart. It comes in 20 serving size (20 serving size) and 30 servings container.


Verdict on Pre Jym Pre-Workout Review. Is It Safe?

As a final verdict, Pre Jym is a proven solid formula. But due to its high dosage on several ingredients, it is susceptible to many side effects.

It is safe but you may not have the best experience. Instead, just have a so-so and good feel upon using it. 

Reviews from Reddit also shows too many complains about how this product is overpriced. I think for it to have just an average result on effectiveness, this product may not be as worth your money.

It also does not provide a 100% satisfaction guarantee, which means you’re unlikely to get a refund.

Pre Jym BannerWe know how Dr. Jym has a post-doctorate position at Yale University and is a personal nutrition and health consultant to Dwayne “The Rock” Johnson, LL Cool J, Dr. Dre, Mario Lopez.

However, that doesn’t assure that the benefits and effects will also be the same for everyone. Company also selling branched chain amino acid supplement (BCAA) called  Post JYM.

Bottom line is, find what fits your needs!

As for me, I have found one that tends to all of my concerns and needs. It is the 4 Gauge Pre Workout

4 Gauge, in comparison to Pre Jym, also has no proprietary blends which means that there are no hidden ingredients and substances and even artificial sweeteners. It is packed with high quality and all-natural ingredients

4 Gauge promotes a regularly updated formula and has all eyes and ears to what is new and effective to guarantee faster progress, better physique, and amazing workouts.

Above all, because of natural content in this pre-workout, its side effects are mostly rare and non-existent! Yes, that’s right!

No sleeplessness, not tingles. Its balanced Caffeine and Theanine content prevents stimulant-related side effects such as jitters, restlessness, headaches, and nausea.

4 Gauge has all the power of Pre Jym even without the BCAAs because of the essential ingredients of L-theanine and L-carnitine that Pre Jym lacks.

Its 150mg caffeine content is also more sensible when compared to Pre Jym’s 300mg. To see if 4 Gauge is theproduct you need, here is the breakdown of its formula:

  • L-CITRULLINE DL-MALATE (6000mg)
    This is 4 Gauge’s main ingredients which help to improve work capacity or stamina. It also produces nitric acid for muscle function and helps to increase size gains.
  • BETA VULGARIS (300mg)
    Beetroot adds up to muscle pumps to assure intensity during workouts.  Beet root extract shown to increase nitric oxide production, ​that could boost your performance & endurance.
  • CAFFEINE (150mg) and L-THEANINE (200mg)
    This is the good part. Caffeine, when combined with L-theanine, neutralizes its sharp edge effect and produces a smoother lift to allow better focus.
  • RHODIOLA ROSEA (100mg)
    This ingredient helps in fighting fatigue and depression and is vital in providing great motivation and mindset so you get the right push for every workout session.

Other additional ingredients: Coconut water, Acetyl L-carnitine and Creatine monohydrate.

With just the right amount of everything, 4 Gauge also takes pride that all their ingredients were prepared in FDA and cGMP certified facilities. There is no stopping to people’s amazement in its performance:

This is by far the best and cleanest energy pre-workout I have run across. You can immediately tell this is a quality product.

Aaron, USA

Just enough caffeinated content to get you going but not feel cracked out, no rapid erratic heartbeat, just laser-focused on your goal. 

Ricky, USA

I got healthier and felt better in general after training more. I would recommend this pre workout to anyone who needs that boost to get into the gym.

John, China

4 Gauge is the explosive pre-workout supplement that is packed with all the right and high-quality nutrients needed for bodybuilding and workout. 

 

In this Pre Jym review, I have laid down the details to help you make the best choice for pre workout. Go ahead and give it try to start taking your workouts to the next level!

4 Gauge

#1 Best Alternative Pre-Workout

  • Natural Ingredients
  • 5 Calories Per Serving
  • Effective Bodybuilding Supplementation
4 Gauge