NOTE: Simple Mass Spectrometry is not enough to determine dosage and purity of tested substance.
Tests done with GC/MS, LC/MS/MS or HPLC methodes are considered much more reliable!
Sources: [1, 2, 3, 4, 5]
Igf-1 after 3months on godt 4iu daily. 3hours before bloods tooked 6iu on empty stomach