Power Health Zellogen Formula is the dietary supplement containing Dr. Wolz yeast enzyme cells, isoflavones and royal jelly. Isoflavones are plant-derived substances from soy that are structurally similar to estrogens without having hormonal action. Zellogen Formula provides all the essential nutrients you need, including pantothenic acid, biotin and vitamin D3. Niacin and Pantothenic Acid. They contribute to the normal functioning of metabolic processes aimed at energy production, as well as to the reduction of tiredness and fatigue. Niacin : contributes to the maintenance of skin condition, normal psychological function, normal functioning of the nervous system Pantothenic acid : contributes to normal mental performance. Vitamin D3: contributes to normal muscle function and the maintenance of normal bone condition, to the normal absorption/utilization of calcium and phosphorus, and to the maintenance of normal blood calcium levels