What are BCAAs?

definition of terms

What are BCAAs?

BCAAs or branched-chain amino acids refer to the three essential amino acids: leucine, isoleucine, and valine. BCAAs make up around one third of muscle protein.

Key Functions of BCAAs

  • Build and repair muscle tissue
  • Preserve muscle mass
  • Provide energy during exercise
  • Reduce fatigue and aid recovery
  • Stimulate muscle protein synthesis

Why Take BCAA Supplements?

Some research shows BCAA supplements help:

  • Increase muscle growth when combined with resistance training
  • Reduce muscle breakdown during intense exercise
  • Improve endurance performance and fatigue

But protein-rich foods also supply BCAAs.

Good Dietary BCAA Sources

  • Whey and egg protein
  • Meat, poultry, fish
  • Nuts, seeds
  • Beans, lentils
  • Soy foods like tofu and edamame

In summary, BCAAs are essential for muscle growth, performance, and recovery. Supplements provide high concentrations, but a balanced diet with lean proteins supplies plenty.

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