Express Protein XTR-4 is a complete engineered protein blend consisting of a precise mixture of whey protein concentrate, Micellar Casein, egg albumen and soy protein isolate. Protein is an essential building block of the human body and is required in order for the body to repair itself and grow bigger and stronger, especially after strenuous exercise. It also aids in the transportation of nutrients, oxygen and nitrogen to the body's cells, keeping a positive balance of these key nutrients is essential for a healthy, strong and fit body.
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