Normally, the body's storage and re-utilization of vitamin B₁₂ prevents a primary or secondary deficiency from occurring until after about which of the following times?

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The body stores enough vitamin B12 to prevent a deficiency for about three years, even if dietary intake is stopped. Vitamin B12 is crucial for various bodily functions, including nerve function and the production of DNA and red blood cells. Its storage and re-utilization mechanisms are highly efficient, allowing for a significant delay before deficiency symptoms become apparent.

Normally, the Body's Storage and Re-Utilization of Vitamin B12 Prevents

Normally, the Body's Storage and Re-Utilization of Vitamin B₁₂ Prevents