b12 injection in leg Injections for Energy: Benefits and How It Works Choosing the Right Needle and
Description
You may need regular B12 injections over several months to see full improvement

Excessive copper peptide use can theoretically cause problems

Call your primary care physician or your local pharmacy to find out what your state or local requirements are for disposing of used syringes and needles

American Family Physician, 96(6), 384-389
