Most Effective Muscle Building Supplements

Building muscle takes effort. It takes dedication, commitment, and consistency. And, just as important, it takes the right nutrition and the best, most effective, scientifically proven sports supplements to nourish and accelerate muscle growth and strength.

AST Sports Science incorporates the latest research in muscle-building protein science, amino acids, vitamins, minerals, and herbs to develop the most effective sports supplements in the world that are used by professional and world-class athletes around the globe. Dedicated to the highest standards in production and cutting edge research, your success is our success.

The Science of Strong

Research Updates . . .

Caffeine: Performance Enhancer, Fat-burner, Pain Reliever and Anti-Cancer Compound

Caffeine is a naturally occurring stimulant found in coffee, tea, and other herbs. Caffeine is the most socially acceptable drug in the world. Coffee is second only to tea (another caffeine-containing brew) as the most popular beverage in the world. Despite this, very...
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Powerful, Science Based, Synergistic Supplement Stack

Smart athletes are always looking for a supplement or compound that will give them that extra edge in performance or recovery. A recent study has just identified two highly effective supplements that when taken together provide an even greater advantage regarding...
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Muscle Breakdown is Greater 3-Hours After Training

A group of well-respected Finnish researchers recently assessed the effects of resistance training on blood amino acids, muscle protein synthesis, and breakdown during recovery. The results showed that protein breakdown was actually higher three hours after training...
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Glutamine, Glycogen and Carbohydrates to Pack on Muscle and Get Shredded

Glutamine is the most versatile supplement an athlete can take. It is the quintessential performance supplement with effects including immune support, growth hormone release, protein synthesis, muscle cell volumizing, and glycogen replenishment. Not to mention that...
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To Squat or Not to Squat – What Will it Be?

Make no mistake about it; the squat separates the men from the boys. Anyone who avoids squats, for whatever reason, is limiting their potential for muscle growth. Not only do squats produce massive amounts of muscular overload they also trigger anabolic responses...
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“Super-Slow” Weight Training Versus Conventional Weight Training and Energy Expenditure

One of the claims of "super slow" training is that it requires more energy than traditional weight training. Researchers at the University of Alabama at Birmingham recently decided to test this claim. Seven male subjects with at least one year of previous resistance...
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Product Spotlight . . .


What does the Urso-X science mean for you . . .

Urso-X just might be the most significant muscle-growth enhancing compound to come along in decades. It certainly has serious scientific credentials that are sure to grow in volumes as more in-depth research is conducted. But you can reap the muscle-building rewards now!

A natural substrate found in several herbs and fruits, Urso-X works on multiple genetic signaling pathways that trigger the most potent biological activities for lean muscle growth, increased strength and accelerated fat loss. Adding Urso-X to your training program will put you on a sure-fire path to faster muscle growth, more strength, and accelerated fat loss.

What are the essential supplements for building muscle?

Mass Gaining & Weight Gaining Protein
Protein Powder & Supplements
Amino Acids


Using each of these supplements can help you achieve the muscle growth that you’re after.


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