Synergistic herbal compositions comprising combination of a first ingredient selected from the extract(s), fraction(s), active compound(s) and phytochemicals or mixtures thereof derived from the plant parts of Punica granatum and a second ingredient selected from the extract(s), fraction(s), active compound(s) and phytochemicals or mixtures thereof derived from the plant parts of Theobroma cacao for improving testosterone levels. The invention further provides the method of obtaining at least one health benefit tin related to enhanced anabolic and androgenic activities in the body selected from improving testosterone levels, energy levels, sustained energy, vigor, stamina, healthy aging, cellular longevity, muscle mass, muscle strength sexual function (libido and erectile function) and psychological well-being (mood and focus); and reducing stress in humans and alleviating the symptoms associated with the low levels of testosterone in humans such as loss of libido, loss of erectile function, abdominal obesity, decreased muscle mass and strength, fatigue, mood swing, decreased bone density, decreased motivation, and decreased memory and concentration.