ABSTRACT This study aimed to prove the existence of anti-plasmodiat activity from Tinospora crispa crispa) stem extracts and to determine the 1C, values as well as the best T. crispa stem extract concentration in inhibiting the growth of P fakiparum 307 strain in vitro. The degree of parasitemia was observed by counting the number of infected red blood cells in Giemsa stained blood films under…