El pre-entreno que te ofrece la mejor combinación de energía y bombeo muscular del mercado. Enorme éxito en USA. 

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Razor Sharp Mental Focus - Muscle Volumization

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There is nothing quite like a high-octane training session, so it is no surprise that pre workout supplements have become so popular.

However, those long lists of ingredients in proprietary blends only create the façade of an effective supplement when all you really end up with is enough caffeine to “feel” it and little else. Until Rhino BLACK.

MuscleSport is PROUD to bring you the best that science has to offer, so there are no blends. Only efficaciously-dosed, proven ingredients that have been carefully selected to provide all that is needed from a pre workout supplement: energy, focus, pumps, and performance.

- Intense energy and perfect pumps

- A preworkout that sets new standards

- Huge energy that kicks in within minutes but lasts for your entire workout

- Jam packed full of muscle pump increasing ingredients

- Delivers the daily recommended dose of Beta-Alanine to enhance endurance and buffer lactic acid

- Advanced creatine blend shown to increase strength and muscle mass

- Arguably the best combination of high energy and muscle endurance/pumps we have ever seen


Here are just a few of the rigorously validated ingredients in Rhino BLACK.

6g Citrulline Malate – A dual-threat: Provides huge boosts to training volume and stimulates nitric oxide production. More training volume. Bigger pumps. Maximized gains.

400mg Caffeine Matrix – All the fat-burning, attention-enhancing effects of caffeine without the hard crash or upset stomach!

750mg Nitrosigine – The world’s most effective form of arginine works synergistically with citrulline to maintain improved blood flow up to 3 hours.

750mg L-Tyrosine with 75mg Hordenine – L-Tyrosine is a precursor to adrenaline while Hordenine works to keep adrenaline active within the body.

2g Creatine Magnapower – The single, most effective supplement for increasing muscle mass and strength as highly bioavailable magnesium chelate.

These are just the best of the best. Add on top of that the other half of the proven ingredients and you’ll clearly see just how superior Rhino BLACK is compared to the rest of the field.

The best have nothing to hide in something like a mysterious proprietary blend, and there are no secrets in Rhino BLACK – just pure, hard-working ingredients to get your game and your physique to the next level with piercing focus, crushing strength, electrifying energy, flushing muscle pumps, and persevering endurance.

Just like nothing can stack up to a high-octane training session, nothing stacks up to the best pre workout in the game, Rhino BLACK.

Ingredient Profile: 


Citrulline Malate

Citrulline Malate is a non-essential amino acid that eventually converts to nitric oxide. Nitric oxide is a vasodilator that can help to lower blood pressure and improve blood flow to both organs and muscles.

Studies have shown that Citrulline Malate enhances exercise tolerance by reducing levels of blood ammonia and lactate that are typically elevated during strenuous exercise.

This ingredient will allow you to train with less rest in between sets and elevate your endurance capacity.

A recent research study found individuals who consumed citrulline malate for 15 days were able to increase ATP production during exercise by 34% and improve phospho-creatine resynthesis after exercise by 20%.

TrimethylGlycine (Betaine Anhydrous)

Betaine helps to support methylation reactions in the body which include but are not limited to liver detoxification and neurotransmitter production.

It has been shown to increase energy levels as well as muscle strength and recovery.

Betaine's effects on the neurotransmitters can help to increase the effectiveness of the “mind-muscle” connection.

Betaine works synergistically with Choline (another ingredient found in RHINO BLACK).

A study conducted by the University of Connecticut found that individuals supplementing with 1.25 grams of betaine twice/daily increased bench press power by 20%.

Agmapure (Agmatine Sulfate)

Agmatine Sulfate helps improve nutrient partitioning which leads to an increase in muscle glycogen (carbs stored in muscle tissues) which then leads to more water retained WITHIN the muscle. This creates a fuller look to the muscles and a greater pump while hitting the iron.

Agmatine Sulfate also increases NO production by working as a competitive inhibitor of the enzyme NO Synthase.

There are studies to suggest that the nutrient partitioning effects of agmatine sulfate are possibly due to its ability to increase the insulin response to carbohydrates. This could be further explained by the increased blood flow to the muscle that occurs with increased NO production.

LH and GH levels have been shown to be increased through the effects of Agmatine Sulfate and its possible effects on the hypothalamus.

Agmatine has also been shown to manipulate pain receptors which may allow you to train past normal pain thresholds.


Taurine, has a myriad of benefits. From helping the body to metabolize fat, improving insulin sensitivity, raising testosterone levels, as an antioxidant, higher performance and quicker recovery during athletic training and increasing cardiovascular health… it goes without saying that Taurine is a great ingredient to have in your wheelhouse

Zhang et al. (2004) found that individuals who supplemented with taurine for 1 week before an exhaustive exercise bout significantly improved time to exhaustion, VO2 max, and maximal workload. It also decreased exercise-induced DNA damage.

Nitrosigine (Arginine Inositol Silicate)

Arginine (NITROSIGINE) is a precursor to nitric oxide and expands blood vessels to optimize blood flow. Silicate is contained within the walls of the arteries to help maintain their structural integrity.

These ingredients work in synergy to help increase the blood flow and the structural integrity of the artery walls.

Preclinical data has shown that Nitrosigine is superior to standard arginine… with 2x the blood flow in vasodilatation response.


Ornithine, when bound by salt at the molecular level to Orotate (orotic acid), is much more bio-available than in its HCL or free form.

Ornithine Works in synergy with Arginine in the metabolism of waste caused by intense exercise.

By increasing Nitric Oxide production and decreasing waste – you are able to train longer and support greater results

A 2008 study conducted by Sugino et al. discovered supplementation with ornithine was able to reduce perceptions of fatigue to 52% of placebo on a prolonged endurance test and was able to reduce ammonia accrual during exercise.

Beta Vulgaris

Beta Vulgaris (beets) is extremely rich in nitrates and other ergogenic compounds. These components have been systematically proven to improve workout performance.

Nitrates in beets have been shown to improve blood flow and exercise efficiency.

Betalains in beets improve oxygen carrying capacity and endurance.

Supplementing with beet juice has been shown to reduce the energy (ATP) cost of every muscle contraction, leading to improved work load and sustained performance.


3-Aminopropanoic Acid

3-Aminopropanoic acid  is a precursor to carnosine that is better for improving muscle carnosine concentrations than carnosine supplementation itself. Carnosine acts as an intracellular buffer, neutralizing acids and bases.

Improves high-intensity anaerobic performance, such as high-rep sets and repeated sprints (HIIT).

A study by Van Thienen et al. (2010) found 3-aminopropanoic acid supplementation to improve power output by 11.5%

Long term supplementation with 3-aminopropanoic acid has been observed to increase lean mass gain while decreasing fat mass.

Highly Branched Cyclic Dextrin

Cyclic Dextrin is a clinically studied carbohydrate that is rapidly absorbed and provides fuel (glycogen) to working muscles.

In cyclists supplementing with either HBCD or maltodextrin, HBCD was shown to dramatically enhance performance vs. the same quantity of maltodextrin.

During HIIT, supplemention with HBCD extends time to exhaustion by 70% vs. glucose, greatly enhancing cardiovascular gains and fat loss potential of training.

Athletes consuming HBCD instead of their normal sports drink report fewer gastrointestinal disorders and side effects.

Use of HBCD during athletic events has been observed to reduce stress hormone and inflammatory cytokine response, leading to improved performance and recovery.

Creatine MagnaPower® (Creatine Magnesium Chelate)

By combining magnesium to the creatine mixture in this compound – it allows (in a similar fashion to COP) the creatine to be absorbed and utilized for anabolic processes and prevents conversion to creatinine through the process of cyclization.

Creatine MagnaPower pulls together both creatine and magnesium for the most effective ATP synthesis.

The ISSN (International Society of Sports Nutrition) position stand on creatine monohydrate (CM) found that short-term CM supplementation has been reported to improve maximal power/strength (5–15%), work performed during sets of maximal effort muscle contractions (5–15%), single-effort sprint performance (1–5%), and work performed during repetitive sprint performance (5–15%). Long-term CM supplementation appears to enhance the overall quality of training, leading to 5 to 15% greater gains in strength and performance.



L-Tyrosine helps to activate metabolic pathways that produce the hormones epinephrine and norepinephrine - which are typically produced during moments of stress on the body and provide a boost in the terms of a “fight or flight” scenario.

Epinephrine and norepinephrine are depleted quickly during these moments of stress due to a lack of L-Tyrosine.

The addition of this amino acid to RHINO BLACK will help give you an extra PUSH and can make a big difference to help you FIGHT through your workouts and plateaus.

Hoffman et al. (2010) research results indicate that acute ingestion of supplement including L-tyrosine and anhydrous caffeine can maintain reaction time and subjective feelings of focus and alertness to both visual and auditory stimuli in healthy college students following exhaustive exercise.

Tri-Caffeine Matrix (Caffeine Anhydrous, DiCaffeine Malate, Caffeine Citrate)

This blend of caffeine helps to provide effectively dosed stimulation for your training and not keep you up all night long.

It is also formulated to help fight that horrible crash you might experience with stimulated laden pre workouts.

Multiple studies have confirmed can improve muscular endurance and power, focus and cognitive performance, and improve energy levels. Caffeine has also been shown to have a thermogenic effect (heating/calorie burning) at rest and may increase the use of fats for fuel during exercise.

Doherty and Smith performed a meta-analysis of caffeine's effects on perceived exertion and found a 5.6% decrease in RPE (rating of perceived exertion) during exercise.  This means exercise may feel easier at higher effort levels when supplementing with caffeine.

Choline Complex (CDP Choline/Choline Bitartrate)

Choline is an essential nutrient for brain health and synaptic plasticity.

Choline improves structural integrity, signaling capacity and the fluidity of neural membranes. It’s estimated that close to 90% of the population does not get the recommended amount of choline daily.

It has been shown that a dose of 500mg of Choline can boost focus, mood and concentration abilities.

This is tantamount to pushing through your workout. Utilizing this effectively dosed compound, you will be able to focus on taking less rest or being distracted during your training. Giving your 110% will really be your 110%.

A study conducted by Sun et al. (1999) reported that subjects who supplemented with choline for 4 weeks improved learning performance and memory compared to a placebo group.


Extracted from the roots of sprouted barley, hordenine has an adrenaline-like effect stemming from its ability to release noradrenaline.

This increases heart rate and blood flow.

The adrenaline effect is long lasting and does not fade early in your workouts. This will create a boost in athletic performance throughout your entire workout.

Hordenine may also increase peripheral blood flow volume and have a positive inotropic effect (increases the strength of contraction) upon the heart.


Q: What is the best way to take Rhino BLACK?

A: Mix one scoop of Rhino BLACK into 16-20 ounces of water and consume 30 minutes prior to training.

Q: What other MuscleSport products do you recommend stacking with Rhino BLACK?

A: To address your pre, intra, and post workout energy, muscle building, and recovery needs we suggest stacking Rhino BLACK with BCAA Revolution and Lean Whey Revolution.

Q: I see a full serving of Rhino BLACK has 400mg of caffeine. Is that amount safe?

A: Generally speaking, yes. A large review by the European Food Safety Authority concluded that a daily safe dose of 400mg is safe for adults.

We suggest not taking any other stimulants (like coffee) on the days you take Rhino BLACK. We also recommend starting with a half scoop to assess your tolerance before moving on to a full scoop.

Q: I heard creatine can cause kidney problems and cause cramping. Is that true?

A: Absolutely not. Creatine is the most studied and effective muscle building supplement ever. Over 500 studies have been conducted on creatine and none have shown to cause any adverse side effects. However, you should expect to see big improvements in strength, power, and endurance after taking creatine.

Q: What makes Rhino BLACK better than other pre workouts?

A: A lot of other pre workouts use ingredients that are ineffective, not properly dosed, or contain proprietary blends.

All the ingredients in Rhino BLACK are research backed and dosed efficaciously based on the current scientific literature.

What's more, Rhino BLACK gives you full label disclosure so you know EXACTLY what you are getting with each serving.


MuscleSport Rhino Black Series Preworkout 40 servings 

Serving Size: half a Scoop (12.5 g)

Servings Per Container: 40 Servings

Amount Per Serving - %DV**

Calories: 10 - *

Carbohydrate: 1 g - *

Sugar: 0 g - *

Sodium: 100 mg - *

Nitric Oxide Recycling Complex

Citrulline Malate 2:1: 3 g - *

TrimethylGlycine (Betaine Anhydrous): 750 mg - *

Agmapure (Agmatine Sulphate): 500 mg - *

Taurine: 500 mg - *

Nitrosigine (Arginine Inositol Silicate): 375 mg - *

L Ornithine: 375 mg - *

Beta Vulgaris: 100 mg - *

Cellular Energy Complex

CarnoSyn Beta Alanine: 1,6 g - *

Highly Branched Cyclic Dextrin: 1 g - *

Creatine MagnaPower (Creatine Magnesium Chelate): 1 g - *

Mental Stimulation and Focus Complex

L-Tyrosine: 375 mg - *

Tri-Caffeine Matrix (Caffeine Anhydrous, DiCaffeine Malate, Caffeine Citrate): 200 mg - *

Choline Complex (CDP Choline/Choline Bitartrate): 150 mg - *

Hordenine: 37,5 mg - *

* Percent Daily Values no established

Other ingredients: Cyclic Dextrin, Silica, Sucralose, N&A Flavours


Mix one scoop of RHINO BLACK into 16-20 ounces of water and consume 30 minutes prior to training.

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