The well-known geriatrician-haematologist Larry Solomon, working at Yale University in the USA, wrote 20 years ago: if I had treated only those people who actually had too low serum B12 and elevated MMA values, then I would not have treated approximately two-thirds of the people with a favourable response to B12 supplementation (note: partly via injections, partly via oral supplementation)
It rejuvenates skin by stimulating collagen production, improving elasticity, and fading hyperpigmentation and skin spots
This choice depends on the patients health and the doctors advice
Technically yes, but it is strongly discouraged for multi-dose vials
When administered concomitantly with L-dopa, Vitamin B6 may reduce its effects
A lack of B12 can also lead to damage of the myelin sheath which wraps around our nerves so deficiency is frequently associated with neurological problems