Efectiv Nutrition Performance Creatine 300gr EFECTIV Performance Creatine is a Creatine Monohydrate based food supplement designed for athletes striving to perform at the highest level. CRE uses two premium, patented ingredients in the forms of Senactiv® and AstraGin®. Senactiv® increases the production of citrate synthase, an important enzyme that is responsible for producing more ATP* […]