l carnitine and thyroid Disease - page 1 untitled
Description
To date, from the manufacturers published literature and a search on the Internet, the author found no contraindication for intravenous GSH injection

Biologic agents are usually injected either subcutaneously (under the skin) or intravenously (through a tube inserted into a vein)
Xu YH, et al

[DOI] [PubMed] [Google Scholar] Dyall S