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Some of these problems include neurological disorders, brain atrophy, demyelination, delayed cognitive development and growth, mental retardation, lack of emotional and communicative responses, lack of smiling and willingness to play, extreme fatigue, vomiting, tremors and convulsions, gait and motor coordination disorders, severe megaloblastic anemia, thrombocytopenia, pancytopenia, which can lead to coma, respiratory failure, and death

Additionally, serum levels of methylmalonic acid (MMA), a metabolite associated with vitamin B12, serve as sensitive markers of deficiency, with an MMA level greater than 0.271 micromol/L suggesting deficiency

Supplied as a multi-use vial

By encouraging collagen and elastin production, it can help firm and hydrate skin, improve tone and elasticity, and may reduce the appearance of wrinkles and fine lines