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The medicinal form depends on how well it is absorbed in the body and factors such as age, genetics, and the condition of the digestive system
Keep all follow-up visits so your provider can track progress
Very rarely, more serious reactions can occur, such as a severe allergic reaction
This is especially useful if your body struggles to absorb B12 from food
Caballero MR, Lukawska J, Lee TH, Dugu P
PMCID: PMC11050313.
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