What you dont want to do is irritate the skin, which is already a little inflamed, because too much inflamation can lead to scarring or other bad outcomes
Human data are extremely limited
It is a very common infection of the digestive tract that impacts half of the worlds population
($26) THE ENERGIZER : B6 / B12 injections: Vitamins B12 and B6 primarily help with energy and mood, support adrenals and boost metabolism
Lancet 377:19291937 Creager MA, Olin JW, Belch JJ, Moneta GL, Henry TD, Rajagopalan S, Annex BH, Hiatt WR (2011) Effect of hypoxia-inducible factor-1alpha gene therapy on walking performance in patients with intermittent claudication