2 types of b12 injections The Shot: What Every Human Needs to Know About Injectable Vitamin B12 Compounded Cyanocobalamin (Vitamin B12) Injection

doi: 10.1016/0031-9384(91)90349-s

44 Additionally, in patients who are already taking some form of oral B 12 supplementation, demonstrating B 12 deficiency can be a challenge, even when symptoms are typical (including those of neuropathy-like paraesthesia and numbness) as serum B 12 concentrations may be just within, or sometimes above, the normal range

Think I replied to the wrong person I find alcohol has a much stronger effect since my B12 has been low

Not just telehealth

Vitamin B12 Boosts energy production, supports metabolism, and helps convert food into usable energy

Based on contemporary research, more dieticians recommend supplementing B12 when a blood test shows a level less than 350 pg/mL