If your compound is 90% potent on day one, 50% on day three, and 10% by the end of the week, how can you possibly draw any valid conclusions from your study
Most people who have a vitamin B12 injection feel either nothing different or a gradual lift in energy over the following days
Lancet 1991;338:131-7 American Academy of Pediatrics (AAP) Committee on Drugs
With some case reports even progressing that mole into a melanoma, a serious form of skin cancer
B12 injections are generally considered safe and well-tolerated
Self-inject into your mid-thigh quadriceps for easy access and safety, or ask someone to inject into your deltoid/shoulder, and ensure you're reaching muscle tissue, not just subcutaneous fat, for optimal results