Amino Acids

Protein is only as useful as its building blocks. Every gram of muscle tissue, enzyme, and hormone your body makes starts with amino acids. Nine of the twenty your body uses cannot be produced internally. Getting adequate amounts from diet alone can be harder than it sounds, especially for athletes, older adults, and people with restricted diets.

Amino acids work at the cellular level. Leucine, one of the three branched-chain amino acids, activates mTOR signalling, the primary pathway responsible for muscle protein synthesis. Without sufficient leucine at each meal, that process stalls regardless of total protein intake. Essential amino acid (EAA) blends supply all nine in one formula, making them practical when dietary variety is limited.

Research suggests that leucine-rich EAA supplements taken around training may support muscle recovery and help preserve lean mass during calorie restriction. Studies in older adults have also shown promise for maintaining muscle tissue when daily protein intake consistently falls short.

Strength athletes, endurance runners, and people following plant-based diets are the most common users. Older adults focused on muscle maintenance and anyone with elevated protein needs relative to appetite also reach for amino acid products regularly.

NutritionMarket stocks a broad selection of amino acid supplements from trusted Australian and international brands, covering single aminos like L-glutamine, BCAA powders, and complete EAA blends. The range covers all the major forms, so you can find what fits your goals and budget.