Another issue is, they don't seem to differentiate between which B12 supplement. Cyanocobalamin may or may not have long term effects, and probably should be avoided as a supplement ingredient.
Although, someone always pops up and says "but there isn't enough cyanide to matter"; we don't know what supplementing with cyanocobalamin does over a decade actually does.
Although, someone always pops up and says "but there isn't enough cyanide to matter"; we don't know what supplementing with cyanocobalamin does over a decade actually does.