The recommended dosage ranges from 0.25 mg to 0.5 mg as a general guideline to start. Max dose is 2mg.
I would use either umbrellalabsdotis or researchchemicalsdotco
Both have solid products
As a male i use 1mg, larger dose did not give any extra benefits, for women 2mg .
I guess lower dose also works. As its peptide, i dont think they are faked. Have tested different ones.