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It participates in the conversion of homocysteine to methionine and the metabolism of methylmalonic acid, both crucial for energy production at the cellular level
The efficacy of oral supplementation of vitamin B12 is limited by factors such as the absence of IF, gastric surgery, concomitant metformin, or antacid treatment
Oral, sublingual, and injectable forms absorb differently, affecting how well they work
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"Homocysteine levels in morbidly obese patients: its association with waist circumference and insulin resistance"
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