The unbound B12 then combines with another protein (called intrinsic factor, which is secreted by cells in the stomach) before it is absorbed by the body in the small intestine and put to work
B12 Injections can help improve memory, focus, energy, emotional stability, female fertility, low testosterone for men, digestive issues, hypothyroidism, red blood cell formation, metabolism, and its also helpful for nerve and brain regeneration
The best peptide companies use chromatographic separation to remove impurities in every batch, and the expensive process contributes increasingly to the final vial price
E mail I am a first time customer so have only taken a few B12 injections to date, but I am happy with the product so far