They're not at this time considered right for everyone
Some regain is common if appetite returns and habits arent firmly established
B12 shots are beneficial for boosting energy levels, supporting metabolism, improving mental clarity and focus, enhancing mood, supporting red blood cell production, and addressing B12 deficiency
However, systemic copper loading remains a theoretical concern requiring careful dose optimization and copper status monitoring, particularly with chronic administration protocols
A minimum of 98% is considered research grade, though 99% is strongly preferred for sensitive assays, cell culture experiments, and in vivo pre-clinical studies where compound purity directly affects reproducibility and result accuracy