Mr. Argumentor
I fab shitboxes and shitbox accessories.
The National Institute of Health, which is exactly where that quote comes from?Nice source
Yeah, I think that's a fairly decent source
Office of Dietary Supplements - Vitamin B12
Vitamin B12 overview for health professionals. Research health effects, dosing, sources, deficiency symptoms, side effects, and interactions here.
ods.od.nih.gov