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![Side Effects of Vitamin B12: Headache, Acne, Pink or Red Skin, Rash, Nausea, Discolored Urine, Anxiety, Congestive Heart Failure, Blood Clots, Anaphylaxis: Chive Suzzen, Dr. Balixander: 9798712765164: Amazon.com: Books Side Effects of Vitamin B12: Headache, Acne, Pink or Red Skin, Rash, Nausea, Discolored Urine, Anxiety, Congestive Heart Failure, Blood Clots, Anaphylaxis: Chive Suzzen, Dr. Balixander: 9798712765164: Amazon.com: Books](https://m.media-amazon.com/images/I/41hbHQ4XynL._AC_SY780_.jpg)