GNC B-Complex Big 100 Size:100 TB 500 mg of magnesium works

500 mg of magnesium works synergistically to support muscle function and overall bone health

Easy to Prepare

GNC has been a trusted leader in global health and wellness

Say goodbye to fatigue and hello to a more vibrant

- 300mg caffeine per serving

GNC B-Complex Big 100 Size:100 TB 500 mg of magnesium worksSupercharge Your Energy Levels with GNC B Complex Big 100 Replenish Vital B Vitamins Lost During Stress Are you feeling constantly fatigued and overwhelmed by stress? Say goodbye to exhaustion and hello to sustained energy with GNC B Complex Big 100. Formulated with a potent blend of essential B vitamins, this supplement is designed to replenish the crucial nutrients depleted during stressful times, supporting your body's natural energy production and