Specific features of Soma plant are implict from various references in Rigveda enabling its identity as ephedra. Its juice is an energizer – cum – euphoriant contrary to the intoxicant sura. Sura is beer prepared from barely malt. Soma is the juice of ephedra rich in ephedrine which is antisomnalent. At least one use of soma has never been substituted, as the drink of longevity for a newly born child.