what does the b12 injection do Shots at Home: How, Where & How Often to Inject Yourself Vitamin B12 Injection Sites: All

A missed single dose is rarely harmful

Vitamin B12 injections are fast-acting because they bypass the digestive system and deliver the nutrient straight into the bloodstream

Use of these compounds without medical supervision may pose serious health risks including hormonal disruption, pancreatitis, hypoglycemia, and unknown long-term effects

The deltoid muscle is located in the upper arm and is easily accessible for administration

Conclusions Ultimately, the current maintenance dose of 1,000 mcg B12 every 3 months may confer long term harm, therefore it seems that once B12 levels are stabilised well within acceptable range, then the standard B12 intervention of 1000 mcg should be administered annually, and monitored with pre-injection annual testing of levels

Yu, Danxia et al