b12 injectibles Vitamin Injections: Unlock Energy, Focus & Vitality made form of vitamin B12 Vitamin for Cattle, Sheep, Swine,
Description
BioGPS: building your own mash-up of gene annotations and expression profiles

2010 Jan 12;3(1):125-145

30% of people with B12 deficency and neurological symptoms present without macrocytic anaemia

Calipers and impedance devices are more available but less precise
