A unique formula with essential vitamins and minerals for your immune system: Echinacea, Acerola, Zinc, L-Glutamine, Lactobacillus Rhamnosus, Grapefruit extract, Vitamin C, Folic acid (Vit. B9*) and Vitamin B12**, Vitamin D3***. *Vitamin B9 contributes to the reduction of fatigue and to the proper functioning of the immune system. **Vitamin B12 contributes to the reduction of fatigue and to the normal functioning of the immune system. ***Vitamin D contributes to the normal functioning of the immune system.