I know its technically possible to infuse through a butterfly needle in some situations, but thats definitely not the standard practice. Butterfly needles are primarily used for short term access, Self injection guide: How to give yourself a subcutaneous injection Why Is Glutathione Added as a Push? Glutathione IV Power How to Self Administer Subcutaneous & Intramuscular Injections How to use glutathione injectables Cindyrella Drip Glutathione IV Therapy: What You Need to Know DripGym