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Melasma is a skin condition characterized by the appearance of dark patches on certain areas of the face such as the forehead, upper lip, bridge of nose and upper cheeks

B12 consists of a small group of compounds called the cobalamins and is important for healthy blood and growth, child development, and also helps to keep the eyes, brain and nervous system functioning normally

Since the body cannot produce B12 on its own, obtaining an adequate amount through diet or supplementation is essential

Research protocols often recommend refrigeration after reconstitution and limited use windows (e.g., 728 days depending on the compound)

When this happens, complications can develop, including problems with the nervous system, temporary infertility and even heart failure