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R1 Essential Amino 9 by Rule 1 is a comprehensive Essential Amino Acid (EAA) supplement. From the ground up, Rule 1 have designed this to be one of the most complete Amino Acid Supplements out there and it would be an excellent addition to anyone's daily routine.
There are 9 Essential Amino Acids responsible for building and maintaining muscle mass and each of them are, well, essential. They can't be synthesised in the body and so we must get them from nutritional sources and that is where Rule 1's Essential Amino 9 comes in.
Each serve of Essential Amino 9 contains not only all 9 of those essential amino acids, but also 5 grams of branched-chain amino acids and 500mg of added electrolytes to best support muscle recovery, muscle growth and hydration after ever gym session!