Vitamin B12 Stains Your Undies

Chemical Reaction

Urine color is a general health indicator that is skewed by some foods and supplements. Normal urine color can range from pale yellow to amber. Taking a B12 supplement, vitamin B complex or multivitamin containing vitamin B12 will often turn urine dark yellow or orange. This stems from yellow coloring in over-the-counter supplements that your body excretes.

Consuming large quantities of foods rich in B12 (shellfish, liver, mackerel, beef) can cause your urine to become a bright green color. Can the discoloration be prevented? How is B12 deficiency linked to cardiovascular incidents?

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