Injectable delivery achieves tissue concentrations 10-20 times higher than topical application
Both injection types are far more effective at raising B12 levels than oral supplements, but the best method really depends on your individual needs
Clin Chim Acta
B12 helps support red blood cell production, maintain nerve function, and assist in DNA synthesis
Its core mechanisms are closely related to disorders of cellular energy metabolism, accumulation of oxidative stress, and reduced capacity for DNA damage repair
However, Vitamin B12 in general helps maintain good health and has been shown to be beneficial in helpng to also: reduce stress, increase energy, improve memory, mood and cardiovascular health, and to promote weight loss