Amino 4XL SX-7 Black Onyx

Next Generation 5:1:1 Musclebuilding BCAA Formula

• Test Subjects Increased Strength by 40%*
• Builds Muscle, Enhances Performance & Boosts Endurance*
• Powerful Dose of Leucine Including PepForm® & ActiveTR™ Leucine*

NEXT GENERATION 5:1:1 MUSCLEBUILDING BCAA FORMULA 

The new, supercharged musclebuilding amino formula from MuscleTech® SX-7® is here. Introducing, Amino 4XL™ SX-7® Black Onyx™, the only BCAA product that delivers a powerful 5:1:1 BCAA ratio (which includes both PepForm® leucine and ActiveTR™ leucine) combined with the clinically studied musclebuilding power of PEAK ATP®. Amino 4XL™ SX-7® Black Onyx™ also contains several other popular ingredients, such as taurine, L-citrulline, glutamine and an electrolyte blend that features coconut water. With Amino 4XL™ SX-7® Black Onyx™, you get everything you want in a BCAA formula and more!