Even in high doses, your body can only absorb a fraction of B12 supplements. For example, a healthy person taking a 500 mcg oral B12 supplement will only absorb about 10 mcg. Although uncommon ...

“The body typically excretes excess amounts of B12 through urine,” explains Trista Best, RD, a registered dietitian with Balance One Supplements. “However, taking very high doses of B12 ...

Even in high doses, your body can only absorb a fraction of B12 supplements. For example, a healthy person taking a 500 mcg oral B12 supplement will only absorb about 10 mcg. Although uncommon ...

Your DNA needs vitamin B12 (cobalamin) for proper development. Along with DNA formation, vitamin B12 helps your body produce ...

B 12 absorption; may need to adjust dose. Reduced response with bone marrow suppressants (eg, chloramphenicol). Pulmonary edema, CHF, peripheral vascular thrombosis, polycythemia vera, mild ...