Muscle Health and RecoveryPharmaceutical GradeDietary SupplementFeatures all 9 Essential Amino Acids for Peak FitnessPromotes Muscle Health and RecoveryScience-Backed Quality Since 1969Try our pharmaceutical-grade essential amino acid complex! Essential amino acids are just that—essential. These are the key dietary amino acids we must ingest because the body cannot produce them on its own. Essential amino acid supplements are popular among athletes, but they can be just as beneficial for older adults and anyone interested in peak fitness. Swanson AjiPure® Essential Amino Acid Complex is designed for everyone, featuring all 9 essential amino acids in convenient veggie capsules.