A pharmaceutical or medicinal preparation comprising a combination of two herbal compositions to be administered together. The first herbal composition comprises a mixture of the following herbs: Asparagus racemosa, Curcuma longa, Glycyrrhiza glabra, Momordica charantia, Tinospora cordifolia, Withania somnifera, Spirulina, Allium sativum, Emblica officinalis, Terminalia belerica, and Terminalia chebula, or a mixture of the active ingredients that have been extracted from those herbs or chemically synthesized. The second herbal composition comprises a mixture of the following herbs: Moringa oleifera, Boerhavia diffusa, Onosma bracteatum, Bauhinia variegata, Spheranthus indicus, Tecomella undulata, Chlorophytum borivilianum, Ficus racemosa, and Cyperus rotundus, or a mixture of the active ingredients that have been extracted from those herbs or chemically synthesized. The herbal preparation is effective for the treatment a wide range of physiological and pathological conditions in the human body resulting from a weakened or deteriorating immune system.