A research-grade source publishes a per-batch COA, names a purity figure, and labels the product for research use only
1 Introduction Vitamin B12, or cobalamin, is a water-soluble vitamin, that plays an essential role in cellular metabolism, particularly in DNA synthesis, methylation processes, and mitochondrial functions ( Lactobacillus spp ) (Rucker et al., 2007)
Glutathione-S-transferase family of enzymes
It is important to recognise that these symptoms are non-specific and can overlap with numerous other conditions, including folate deficiency (which shares similar haematological features but rarely causes neurological symptoms)
I felt terrible, and for a few days after my balance, speach and memory were all affected