glutathione beads pierce Millipore High Capacity Magnetic Agarose Beads, (1:1 suspension in a 30% ethanol solution) 1 ml This leads to greater experimental reproducibility and more accurate quantitation of the proteins of interest Pierce™ GST Agarose 5 mL
Description
Intranasal treatment (via a nasal spray) of B12 is also available through a prescription (Andrs, 2018)

doi: 10.5001/omj.2018.88 229 StracquadanioMCiottaLPalumboMA

doi: 10.1097/00041444-200109000-00003 [DOI] [PubMed] [Google Scholar] 66

In animal tests, researchers were never able to find a dose that killed the animals, even at high amounts, and repeated dosing over 28 days caused no clear problems
