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give myself b12 injections at Home - Safety Guide for Self-Administration B12 Shots at Home: How,
Description
B12 shots are directly administered into the blood, which works even better for those with various malabsorption disorders of differing natures

Journal of Peptide Research

In a study of vitamin B 12 status 5 years after surgery, patients who received intramuscular injections of vitamin B 12 increased their serum concentration, while the concentration among those not receiving injections decreased (Aaseth et al., 12

Clients who receive B12 shots for energy report feeling noticeably more alert, focused, and activeoften within 24-48 hours