Optimum Nutrition
Optimum Nutrition - Essential Amino Energy + Electrolytes
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A BCAA supplement gives you leucine, isoleucine and valine, the three branched-chain amino acids, while an EAA formula covers all nine essential amino acids your body can’t make. Both mix into a light, flavoured drink you can sip before, during or after training. The range covers BCAA powder, amino tablets and EAA blends with added electrolytes for long or hot sessions.
Regular picks include ON Superior Amino 2222, ON Essential Amino Energy, Nutrex EAA+ Hydration Refuel and Limitless Alpha BCAAs. See the wider Optimum Nutrition range, go back to all amino acids and creatine, or add creatine to your stack.
BCAA stands for branched-chain amino acids: leucine, isoleucine and valine. They are three of the nine essential amino acids, and leucine acts as a key signal for building muscle protein. A BCAA supplement delivers them as a flavoured powder or tablets, usually in a 2:1:1 ratio of leucine to the other two.
EAA is the more complete choice for most people, because your body needs all nine essential amino acids to build muscle protein, not only the three BCAAs. BCAA still suits people who already eat plenty of protein and want a light drink while training. If your daily protein is low, fix that first with food or whey.
Yes, and several products here already combine them, such as Nutrex EAA+ Hydration and ON Essential Amino Energy + Electrolytes, which makes them handy for long or hot sessions. If you also drink a separate electrolyte mix, check the sodium on both labels so you don’t double up.
Most people sip them during training, but before or after works too; your total intake across the day matters more than the exact minute. Take caffeinated formulas earlier in the day and follow your product’s label. Food supplements don’t replace a varied diet; if you’re pregnant, breastfeeding, under 18, on medication or have a medical condition, ask your doctor first.