side effects of glutathione injection for skin whitening lightening: a regnant myth or evidence-based verity? Benefits & Side Effects Of

D.SnijderB.RebsamenM.et al (2015)

The FDA has raised concerns about compounded drugs containing BPC-157 , including limited safety data and potential risks related to product quality

Measure Endorsement Section 1833(t)(17)(C)(i) of the Act provides that the Hospital OQR Program shall include measures that reflect consensus among affected parties and, to the extent feasible and practicable, shall include measures set forth by one or more national consensus-based entities

1982 Jan-Feb;10(1):47-50

These temporary effects are sometimes called glutathione detox symptoms or die-off symptoms and typically resolve as your body adapts

My feeling is that if you use any smaller gauge of needle you risk damaging the surrounding tissue at the injection site