You can think of them as smaller and simpler versions of proteins, which are made of longer chains of amino acids
This affects numerous systems in the body including digestion, absorption of nutrients, respiration, blood circulation, elimination of waste from the body and regulation of body temperature
However, for higher dosage, you might require a prescription if it is an extreme deficiency which you suffer from
Angiogenesis & Blood-Vessel Support Investigational studies report increases in: Capillary formation Blood-flow improvement Enhanced nutrient delivery to injured tissue 3
This characteristic makes B12 one of the safer vitamins to supplement, with no established upper tolerable intake level set by UK health authorities
Individual results will vary