Istela Amino-acid helps muscle building and prevents muscle breakdown; therefore, muscle mass will be built. The scientific researches have showed that this supplement will also help sport performance in endurance sports.

Power athletes that use/take amino-acid supplement may also understand improvement and recovery of muscles after severe exercises that is beneficial for the competitive bodybuilders.

 Advantages:

• Decreases body fat mass
• Preserves muscle mass
• Increases testosterone and growth hormone level
• Increases sport performance and increase power