We actually prefer SQ because its painless and has an established track record of effective B12 delivery, whereas IM can be painful and tends to put people off self-injecting
Mills PB, Footitt EJ, Mills KA, Tuschl K, Aylett S, Varadkar S, et al
ZhangYWangSLuFZhangMLKongHChengJet alThe Neuroprotective Effect of Pretreatment with Carbon Dots from Crinis Carbonisatus (Carbonized Human Hair) Against Cerebral Ischemia Reperfusion Injury
doi.org/10.3389/fphar.2021.627533 Hsieh, M
A 2026 biopharmaceutical review in a journal I do not trust said there is no identified high-affinity receptor, no validated molecular target, and a wide disconnect between the tidy preclinical effects and any coherent pharmacology
This technology ensures up to 3-4 months of stability at ambient temperatures during shipping and storage