The ultimate branched-chain amino acid formula, containing an optimal 4:1:1 ratio of leucine, isoleucine, and valine. These naturally occur in protein, which helps to build and repair new muscle — so you can be at your best session after session.
- 4:1:1 ratio of leucine, isoleucine, and valine
- Added vitamin B6
- Powerful formula
- Convenient source of aminos