is oral b12 as effective as injections Sublingual vs. B12 Injections: Which Option Right for You? – WhyNotNatural Vitamin B12 Injections vs. Supplements:

B12 is not considered toxic if you get too much, Scott said: "The body has the ability to excrete excess." The recommended daily allowance for a regular (non-pregnant, non-lactating) adult is 2.4 micrograms per day

Everything about the experience has been good but I really dont need the needles as I self inject subcutaneously with my own needles

Global heterogeneity in folic acid fortification policies and implications for prevention of neural tube defects and stroke: a systematic review

By supplying the active form of B12, Vita B12 2500mcg Injection 1ml bypasses digestive absorption barriers and directly corrects these metabolic deficiencies, enabling rapid DNA synthesis (for blood cells) and myelin repair (for nerves)