When adverse effects do occur following high-dose B12 administration, they are typically mild, transient, and often related to the route of administration rather than the vitamin itself
Ozawa, T., Maehara, N., Kai, T., Arai, S
Examples of risk factors of breast cancer include an increase in age, family history, type of nutritional diet, weight, alcohol intake and levels of exposure to oral contraceptives and hormone replacement therapies (7)
Storage conditions directly affect peptide stability and safety
How often do I need vitamin injections
Standard maintenance protocol After the initial adaptation phase, most researchers settle into a maintenance protocol