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Because the body is efficient at excreting excess B12 through urine, there is no established tolerable upper intake level (UL) for the vitamin

Furthermore on the importance of B12 for your body, your nerves have a protective layer around it, known as a sheath, and B12 helps maintain this sheath and promotes the normal growth of nerves

Something interesting can happen if a layer of impermeable rock sits above a layer of water-filled permeable rock, and if the impermeable rock slopes downward

All information is intended for your general knowledge only and is not a substitute for medical advice or treatment for specific medical conditions