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Dosage guidance is vital to avoid nutrient excesses or shortages

The compound does not have the evidence base that FDA-approved medications or well-established supplements like collagen peptides possess

[21] When treated with cyanocobalamin, patients with Leber's disease may develop serious optic atrophy, possibly leading to blindness, based on few case reports

(accessed Feb 18, 2015)

Over time, high blood sugar levels can cause damage to the nervous system, while medications prescribed to maintain blood sugar levels can also lead to B12 deficiency

I enjoy it tremendously and look forward to the time I spend resurfacing our ice rink