vitamin b12 injection im or iv Compounded Cyanocobalamin (Vitamin B12) Compounded Hydroxocobalamin (Vitamin B12) Injection

Mood disturbances including irritability, depression, or unusual anxiety

The most important factor is consistency of timing and route day to day, since the mechanism works cumulatively rather than as an acute event to time around a meal

Setting standards In setting standards we decided that our criteria should be explicit that is, identified before collecting evidence of performance and that our criteria should be appropriate for British general practice, safe, realistic, and achievable

An intramuscular (IM) injection delivers vitamin B12 directly into a muscle, usually in the upper arm, thigh, or upper buttocks