feeling worse after b12 injection Did anyone else experience fatigue and pain a Vitamin injection? Feeling worse after starting B12

Czechia Purity greater than 99.8 % confirmed by COA Assay content verified at 4.86 mg Identification confirmed by FTIR and retention time analysis Molecular ion mass identified at 1815 Da Endotoxin level measured at 0.009 EU/mg No detectable heavy metals or microbial contamination AOD-9604 peptide research compound For research use only not for human or veterinary use For laboratory research only

For context on SAMe and related evidence limits, see the NIH NCCIH resource S-Adenosyl-L-Methionine (SAMe): In Depth

On the other hand, excess vitamin B12 is expelled through urine, so there is little need to feel uneasy about injecting too much B12

An untreated vitamin B12 deficiency can lead to neurological problems or pernicious anaemia, which occurs when your body does not have enough B12 to produce the amount of red blood cells it needs