In the U.S., injectable B12 (cyanocobalamin and hydroxocobalamin) is only available with a prescription, as regulated by the FDA
The frequency of administration depends on the severity of the deficiency
Vitamin B12 Injections Specialist in Tampa FL Rosaly Stephens, MSN, ARNP-C , at Aspire MedSpa and Beauty Bar, provides vitamin B12 injections for those seeking to boost energy, improve metabolism, and address deficiencies
99%, HPLC verified
However, some people may experience some pain, swelling or redness at the injection site, and in much rarer cases headaches, itching or nausea
S-adenosyl-l-methionine (SAMe) as antidepressant: meta-analysis of clinical studies