




E4A Nutrition is a premium sports nutrition brand offering scientifically validated products for sustainable athletic performance. Our flagship, Aminorigen, a specialized amino acid supplement for ligament, tendon, and muscle recovery, was co-developed by a former athlete CEO and a rehabilitation medicine doctor, delivering clean, effective solutions for health, recovery, and performance.

Food & Beverage

AminoRegen is Korea’s only amino acid supplement specially designed for ligament, tendon, and muscle recovery.
Formulated with the patented-pending E4A Formula, it combines scientifically validated amino acids and key ingredients for connective tissue recovery.
Co-developed by a former professional athlete and a rehabilitation medicine doctor, AminoRegen supports faster recovery, injury prevention, and optimal post-exercise performance. Its refreshing lemon flavor makes it easy to mix and consume.

It features a leucine-enriched BCAA formula that helps prevent muscle loss and optimize performance, while electrolytes support hydration and maintain fluid balance to prevent dehydration.
Its powder form dissolves quickly in water, providing a convenient solution for immediate consumption during workouts.
With a refreshing peach flavor, it is easy and enjoyable to drink, helping athletes stay energized and hydrated.

Aminorigen Core BCAA is a functional amino acid supplement containing the three essential branched-chain amino acids—leucine, isoleucine, and valine—which cannot be synthesized by the body and must be obtained through diet. As a critical component of protein synthesis, BCAA helps support muscle growth, reduce post-exercise soreness, prevent muscle loss, and enhance endurance.
In a convenient tablet form, this supplement provides an easy and effective way to consume essential amino acids necessary for active lifestyles. It is ideal for athletes and fitness enthusiasts seeking reliable post


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