Vitamin B12 Enhances Healthy Cells in Nails, Hair, and Skin Vitamin B12 is essential for healthy cell formation, and a deficiency can lead to a variety of dermatological problems like hyperpigmentation, nail discoloration, and irritated and cracked corners of your mouth
Food and Nutrition Bulletin , 45 (1_suppl), S40S49.
This usually resolves within a few days without treatment
Although cyanocobalamin is more readily absorbed, much of it is excreted through the urine before it can reach the cells Cyanocobalamin vs Hydroxocobalamin In comparison to hydroxocobalamin, cyanocobalamin has a significantly worse absorption rate and storability, which is why today mostly hydroxocobalamin is used in B12 injections
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