A biologically active food additive comprises an ecdysteroid medicinal herb, such as Rhaponticum carthamoides (5-70 wt. %), drone brood (1-70 wt. %), ascorbic acid (3.6-70 wt. %), vitamin E (0.05-30 wt. %), and vehicles, such as calcium stearate, talc, lactose (the balance). The additive contributes to increasing the muscle weight in athletes, maintaining testosterone level, and demonstrates anabolic, anticatabolic and potency enhancing effects.