For the immune system and to reduce fatigue Doppelherz Immun plus Echinacea Depot tablets contain 5 essential vitamins as well as the three trace elements zinc, iron, and selenium. They also contain 25 mg of dried echinacea juice. An adequate supply of certain nutrients is essential for the normal function of the immune system and healthy defenses. Since the body cannot produce vitamins and minerals itself, these must be obtained regularly and in sufficient quantities through food. However, an unbalanced diet can lead to suboptimal nutrient intake. Vitamin A contributes to the maintenance of normal mucous membranes. Vitamins B12 and B6 contribute to the reduction of tiredness and fatigue. Vitamin C supports the immune system and protects cells from oxidative stress. Vitamin D contributes to the maintenance of normal bones and normal muscle function and contributes to the normal function of the immune system. Doppelherzs DEPOT tablets enable a delayed release of nutrients, which gradually and ideally provides the body with nutrients over many hours.