The UK Expert Group on Vitamins and Minerals (EVM) and the European Food Safety Authority (EFSA) have not established a formal upper tolerable intake level for B12 due to its low potential for harm
It has also been linked with shifts in inflammatory markers in preclinical work
Lohscheider JN, Rojas-Sttz MC, Rothbart M, Andersson U, Funck D, Mendgen K, Grimm B, Adamska I (2015) Altered levels of LIL3 isoforms in Arabidopsis lead to disturbed pigment-protein assembly and chlorophyll synthesis, chlorotic phenotype and impaired photosynthetic performance
[2] Insulin, synthroid and forteo are not banned
Is it how long the energy from a B12 shot lasts (as well as the other benefits of B12 shots), or how long any B12 injection side effects last
How to Grow Hair with GHK-Cu GHK-Cu is sold both as an injectable reference material and as a topical product