O99.011 applies to the first trimester, O99.012 to the second trimester, O99.013 to the third trimester, and O99.019 when the trimester is unspecified
However, treating vitamin B12 deficiency can reduce fatigue and weakness, which may lead to an increased appetite in some individuals and indirectly contribute to weight gain
B12 injections are not a general energy booster they correct a specific deficiency
Both provide B12 to counteract depletion from GLP-1 therapy
World journal of gastroenterology , 23 (48), 8465-8488
Common side effects from taking other forms of B12 are typically attributed to the added preservative these include hot flashes, dizziness, and nausea