A lack of sufficient vitamin B12 can lead to a range of health issues, from persistent fatigue to more severe neurological changes if left untreated
The AAFP advises that injectable therapy leads to more rapid improvement and should be considered in patients with severe deficiency or severe neurologic symptoms (Langan RC, Goodbred AJ, 2017)
What exists in the scientific literature
The most reliable labs I have observed treat the discard date as a hard stop, the same way they treat reagent lot numbers or calibration schedules
, Therapeutic potential of pro-angiogenic BPC157 is associated with VEGFR2 activation and up-regulation, Springer Science and Business Media LLC, Nov
Co-immunoprecipitation analysis revealed that BPC 157 could reduce the binding between Cav-1 and eNOS