Magnum Nutraceuticals Opus Intra-Workout - Blue Yasberry - 408g

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Magnum Opus ® creates an anabolic firestorm, causing incredible muscle growth. This groundbreaking formula sends strength levels off the charts by increasing blood flow and hydration of your muscles. Opus ® lets you break through barriers by supercharging your energy levels, delaying fatigue and pushing muscle performance. You'll feel it working instantly.


  • Activate explosive gains in muscular growth
  • Delay the onset of muscular fatigue
  • Create new ANABOLIC FUEL within minutes
  • Significantly improve strength
  • Break through new barriers of muscular performance
  • Improve recovery

Carnosine Synthesizer

A key ingredient found in Magnum OPUS® is the patented Carnosyn®, which is the purest and highest quality Instantized Beta Alanine. CarnoSyn® activates enzymes responsible for generating muscle contractions and increases intra-muscular Carnosine, which is used by your type II muscle fibers for explosive movements like weight training and sprinting.

CarnoSyn® Beta Alanine is a non-essential amino acid that is used by muscle cells to synthesize Carnosine. Carnosine is the dipeptide (Beta-Alanine plus Histidine) that functions as a buffer for the hydrogen ions (acid) produced during strenuous exercise, thus helping to maintain optimum muscular pH and prevent the acidity that occurs during exercise. Carnosine is found in large amounts in Type II or "fast twitch" muscle fibers, which are used in explosive movements like weight training and sprinting, a reduction in pH balance causes the muscle burn that you experience while doing high intensity training. Beta-Alanine acts as a precursor to Nitric Oxide (NO) production and works to reduce intra-muscular acidification created by this intense exercise and heavy training.


Beta Alanine supplementation study

A study posted in the Journal of the International Society of Sports Nutrition showed significant improvements in exercise performance when supplementing with CarnoSyn

 Seventeen athletes were subjected to the YoYoIR2 test following ingestion of either a placebo or 3.2g of CarnoSyn® a key ingredient dosed at this level in Magnum OPUS®. The YoYo IR2 is an exercise capacity test designed to last between 5 and 15 minutes and aims to evaluate an individual’s ability to perform repeated bouts of high-intensity exercise with a large contribution from anaerobic energy sources as well as aerobic energy systems.

Athletes in the placebo group showed a 7% decline in exercise performance while CarnoSyn® supplementation improved exercise performance by 34%. 


Magnum Nutraceuticals is dedicated to integrity in producing the highest quality sports nutrition supplements.

Magnum® commissions only CGMP (Certified Good Manufacturing Practices), Site Licensed (Pharmaceutical) Manufacturing Facilities to produce our highly advanced, quality formulas. These facilities are Government audited for quality assurance and label claims. Through this, our clients can be guaranteed that every ingredient used is Pharmaceutical Grade and our formulas will be far more effective in a much shorter period of time. Magnum® goes this extra distance to provide the absolute highest quality ingredients possible for every formula and to instill confidence in our clients that Magnum® is the brand to trust.

Supplement Facts

Serving Size:1 Scoop
Servings Per Container:48
Ingredients Amount Per Serving
Vitamin B1 (as Thiamine).7 mg
Vitamin B2 (as Riboflavin).25 mg
Vitamin B6 (as Pyridoxine)5 mg
Vitamin B12 (as Cyanocobalamin).5 mcg
Pantothenic Acid2.5 mg
Calcium288 mg
Sodium190 mg
Potassium15 mg
L-Leucine2 g
Beta Alanine1.6 g
L-Citrulline Malate1.5 g
Glycine1.25 g
Calcium Bicarbonate500 mg
Sodium Bicarbonate400 mg
Citric Acid50 mg
Alpha Ketoglutarate50 mg
Malic Acid50 mg
Fumaric Acid50 mg
Succinic Acid50 mg
Sodium Phosphate19.38 mg
Potassium Phosphate13.47 mg
Dicalcium Phosphate3 mg
Magnesium Phosphate1 mg
Other Ingredients:Natural Blueberry Flavor, Natural Raspberry Flavor, Silicon Dioxide, Calcium Silicate, Sucralose, Citric Acid, Yellow Color (FD&C Yellow No. 5).
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