injection dose for b12 Adults: Dosage & Frequency How to Give a B12

B12 has been shown to increase energy, enhance mood, provide deeper sleep and improve mental clarity

They have a myriad of options for total health and wellness

Use only as directed, and do not share with others

They can cause side effects, including: [5] Mild pain or burning at the injection site Temporary swelling or redness Bruising under the skin An erection lasting more than 4 hours is a medical emergency and requires urgent care to avoid permanent damage Prolonged erection (priapism): This can occur if injections are used excessively or with poor technique Scar tissue or penile curvature: These symptoms may indicate an emergency