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FDA Approval Summary: Pembrolizumab for the Treatment of Patients With Metastatic Non-Small Cell Lung Cancer Whose Tumors Express Programmed Death-Ligand 1

Also known as cobalamin, B12 is a micronutrient your body needs to form DNA (2) and red blood cells

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Not only does Vitamin B12 contribute to metabolism, helping the body create and use energy and also maintain a healthy weight, but it also is a vital player in the nervous system contributing to the creation of red blood cells and the replication of DNA

References American Society of Plastic Surgeons