a.s.'s regardless of amount,make you clearly unnatural.as well as the usage of gh and igf1, in my opnion any of these make you unnatural.......BUT THE USAGE OF INSULIN ALONE,AND JUST INSULIN IS PERFECTLY NATURAL AS WELL AS THE USAGE OF HEXARELIN, GHRP6,CJC-1295,SERMORELIN AND OTHER PEPTIDES(except for gh and igf1)