However, a multicenter study in 5,485 subjects with cardiovascular disease or diabetes mellitus showed that daily supplementation with folic acid (2.5 mg), vitamin B 12 (1 mg), and vitamin B6 (50 mg) lowered homocysteine concentrations but had no effect on fracture risk compared to placebo (118)
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This risk increases as the duration of disease increases, with an estimated incidence rate of 18% after 30 years of disease in patients with UC
There is no way to test potency at home
Further, factors like age and kidney function can affect B12 excretion and may influence the recommended dosing frequency
Furthermore, in bile ductcannulated (BDC) rats, the average recovery rates of total radioactivity in bile, urine, feces, and cage cleaning fluid collected during 72 h after dosing were 9.08% 0.86%, 17.77% 6.35%, 2.73% 0.40%, and 0.91% 0.13%, respectively (Table 8