frankgrillo1 has taken testosterone for years. But to prep for one movie, Boss Level, he used something else, Anavar. He explains how each affected his body differently to @ebenezersamuel23 and @dr.patdavidson in IGF 1: Miracle Hormone or Health Hazard? Diet vs Disease Peptide Therapy IGF 1 LR3 Revolution Health & Wellness Recombinant expression of IGF 1 and LR3 IGF 1 fused with xylanase in Pichia pastoris Applied Microbiology and Biotechnology Springer Nature Link