Applied Leucine 4K

Applied Nutrition Leucine 4K is a high‑strength branch‑chain amino acid (BCAA) supplement providing L‑Leucine, the key amino acid that plays a major role in stimulating muscle protein synthesis and supporting muscle growth and recovery. With a potent 4 g dose per serving, it’s ideal before, during, or after workouts to help reduce muscle breakdown, enhance strength adaptations, and support lean muscle gains. Easy to mix and consume, this powder is suited for athletes and gym‑goers who want to maximize training results and speed up post‑exercise repair.