im injection for b12 Methylcobalamin (Vitamin B12) Oral vs. Intramuscular Vitamin B12

From here, it enters the nervous system through the neuromuscular junctions

Benefits of Vitamin B12 Injections: Results that are more efficient and faster absorption More energy levels A better mood and less anxiety Improved concentration and memory Increased immunity function Assistance for those suffering from anaemia Perfect for vegans, vegetarians, and older adults

The exception worth mentioning is that very high-dose folic acid can mask vitamin B12 deficiency on laboratory testing (by correcting macrocytic anaemia even if B12 itself remains low)

Clinical data for AOD-9604 across six trials involving 893 patients found adverse events were essentially indistinguishable from placebo, which fuels much of its attraction among patients who cannot tolerate the GLP-1associated gastrointestinal effects

Haematologica 106:20042008 Jiang H, Acharya C, An G, Zhong M, Feng X, Wang L et al (2016) SAR650984 directly induces multiple myeloma cell death via lysosomal-associated and apoptotic pathways, which is further enhanced by pomalidomide

Safety-wise, intramuscular B12 is generally well tolerated