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

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Urso-X

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.

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