Quick question why do people talk about B12 injections versus ingestible pills? I wish I injections. I do not have the cash for that little backstory. I've been eating vegan style for Does anyone take b12 liquid form? If so how much? Or injection? Sublingual and intranasal vitamin B12: Emerging non invasive approaches for cobalamin deficiency in adults and elderlies Vitamin B12 Sublingual Spray for Energy, Focus & Clarity Vitonnix Oral vs. Intramuscular Vitamin B12 in Vitamin B12 Deficiency The Blood Project