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Beta-Alanine Reduces Muscle Lactate Buildup During HIIT

Brian Turner

Posted on June 15 2017

Alanine is an amino acid that provides energy during exercise and prevents neuromuscular fatigue by increasing tissue carnosine levels. Carnosine is an important antioxidant that protects cells from destruction and buffers acids that cause fatigue. Swiss scientists found that supplementing beta-alanine before a high-intensity interval training workout (HIIT) had no effect on blood buffering capacity or glycogen storage, but reduced muscle lactate by 23 percent. Taking beta-alanine supplements before HIIT might improve the quality of workouts.


(European Journal Applied Physiology, published online Nov 9. 2013)