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No, without intrinsic factor, the body cannot absorb B12 from food regardless of dietary intake - alternative supplementation methods are required

Each additional dose adds to cumulative exposure, which is why careful documentation and scheduling are part of responsible administration

At 3 months of age, 85% of infants in the supplemented group had adequate vitamin B 12 blood levels compared to 36% in the placebo group.[25] One hundred twenty-four pregnant women in Canada received 12 mcg oral vitamin B 12 once daily beginning at 13 to 22 weeks gestation and continuing through 8 weeks postpartum

Supplements containing chromium, alpha-lipoic acid, or other compounds with glucose-lowering properties may have additive effects with tirzepatide