Repp Sports ArimiVar™ is a high quality hardening agent. From mush to marble. ArimiVar™ helps build dense muscle that captures the aesthetic of Greek gods of old. Stop estrogen dead in its tracks. ArimiVar™ crushes circulating estrogen while also blocking the conversion of excess testosterone to estrogen. No bloat or 'wet gains'. ArimiVar™ chisels out defined, lean muscle while increasing strength and stamina.