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Description
Vitamin B12 (also known as cobalamin) is a water-soluble vitamin that plays an important role in metabolism, red blood cell formation, and nerve function

As a water-soluble vitamin, excess B12 is excreted in urine, and no upper limit has been set in the UK due to its low toxicity
A more likely contributor

Your body doesnt make vitamin B12 on its own

Your daily habits also change the waiting game
