The Original Dedicated Beta-Alanine Formula. Backed by Three Studies. Extreme Muscle Size, Strength & Endurance. When you think of beta-alanine, we dare you not to think of intraXcell. Big Gains in Muscle Mass, Strength & Endurance. Backed by Three research studies and a track record of five years in the market place; when it comes to beta-alanine supplementation, there is no more of a trusted name than IntraXCell. Increase Muscle Mass. Delay Muscular Fatigue-Train Harder & Longer. Boosts Explosive Muscular Strength & Power Output. No Bloating or Water-Retention. Designed for Bodybuilders, High Intensity Cross Trained Athletes, Runners, Cyclists, MMA Fighters and sport specific training that require both strength and endurance. 2XCell Blend: Beta-Alanine (2g), N-Acetyl Cysteine, Alpha-Lipoic-Acid.