41. Earlier, the well-known Framingham heart study had confirmed a direct link between heart health and vitamin B12 . 42. From what I can tell, the only currently known risk is between folic acid and vitamin B12 . 43. Unlike the related drug cyproterone acetate, MPA does not appear to be associated with vitamin B12 deficiency. 44. Vitamin B12 0.020 mg / kg min.45. Diets that are very low in fat don't supply enough vitamin B12 , which is contained in meat. 46. For me the lowest was Vitamin B12 . 47. The most common symptom is pernicious anemia, caused by the absorption of vitamin B12 by the worm. 48. The issue with vitamin B12 is that we absorb vitamin B12 using transport enzyms in the stomach. 49. This can cause serious neurotoxicity with even acute use if the user has preexisting vitamin B12 deficiency. 50. 2011 and 2012 studies suggest that folic acid and Vitamin B12 may also help prevent memory decline.
