The NIH Office of Dietary Supplements, citing Institute of Medicine recommendations, advises that it is advisable for those older than 50 years to meet their RDA mainly by consuming foods fortified with vitamin B12 or a supplement containing vitamin B12. This recommendation reflects the fact that 10 to 30% of older adults lose the ability to efficiently absorb naturally occurring B12 from food
Since vitamin B12 is only found in animal products, studies show higher rates of non-meat eaters with a deficiency
when V1 (the eye branch) is involved, the corneal (blink) reflex is carefully protected
For people who dread needles, this sounds like a dream come true
Venkateswaran A, Laffitte BA, Joseph SB, Mak PA, Wilpitz DC, Edwards PA, Tontonoz P (2000) Control of cellular cholesterol efflux by the nuclear oxysterol receptor LXR alpha
Experimental KPV protocols often involve several weeks of consistent use