B-STACK COMPLEX High-dose vitamin B system for energy, focus, metabolism & recovery. When you train hard, diet hard, or live under constant pressure, your nervous system and metabolism take the hit.B-Stack is built to keep you firing, physically and mentally. Each tablet delivers 200% RI of Vitamins B1, B2, B3, B5, B6 and full daily value of B11 & B12 for clean energy production, neurotransmitter function, and recovery support. No sugar. No stimulants. No gimmicks.Just vitamins in doses that actually matter. ✔ Supports energy metabolism & reduces fatigue✔ Helps maintain normal nervous system & brain function✔ Contributes to protein & glycogen metabolism✔ Ideal for athletes, high-stress lifestyles & cutting phases✔ Only 1 tablet per day B-STACK COMPLEXFeed the system. Stay sharp. Stay charged.