can b12 injections be given subcutaneously at Home - Safety Guide for Self-Administration Best Vitamin B12 Injection Sites:

Preventing B12 deficiency If you're at risk for vitamin B12 deficiency, the following can provide some protection: Supplements

These two types are cyanocobalamin and hydroxocobalamin

Injections bypass the digestive system, making them an effective option for these individuals

Immediate post-injection care focuses on minimising local reactions: Apply a cold compress to the injection site for 1015 minutes to reduce pain and swelling Avoid massaging or rubbing the area, which can increase bruising Wear loose clothing that doesn't irritate the injection site Gentle movement of the affected limb may help reduce stiffness Hydration and nutrition support general wellbeing during treatment

Tissue distribution data suggest preferential accumulation in adipose depots, consistent with the mechanism-based selectivity investigators have come to expect