Because of injection site reactions I went with intramuscular instead. I followed some youtube videos for the vastus lateralis muscle in the thigh. Used a 27G 1 inch needle. The issue with glutes includes the chance of hitting the sciatic nerve as well as an artery.
I got my kit and tried my first 200 mg shot in the glutes. No post injection pain so that's fine. Thanks to the person who helped. Anyone else using glutathione via intramuscular shots, what do you think about it?