If stability data are not available, researchers should avoid assuming that repeated freeze-thaw cycles, prolonged room-temperature exposure, extended light exposure, or long-term storage in solution have no effect on compound integrity
The B12 injections energize and alert people, many of whom report feeling more alert and energized
Human tolerability data comes from Phase I and II clinical investigations in obese adult volunteers
Who Should Avoid Vitamin C Injections
Retrieved 16 February 2022
Furthermore, it found low plasma PLP levels among supplement users and non-users alike, more so in women than in men, non-Hispanic blacks than whites, current smokers than never smokers, and those classified as underweight relative to normal weight.2 Teenagers had the lowest concentrations followed by 2144 year olds with elderly people having levels that were not particularly low even without supplement intake