Amounts of Vitamin B12 that are recommended by the Food and Nutrition Board, National Academy of Science-National Research Council for pregnant women (4 mcg daily) should be consumed during pregnancy
Antioxidant supplements can sometimes cause unwanted effects and are not as beneficial as eating whole plant foods, though they can be beneficial for closing nutritional gaps.
However, after ingestion, it may cause stomach discomfort, loss of appetite, nausea, diarrhea, and palpitations
For a 10 mg vial reconstituted with 1 mL (10 mg/mL concentration), at 2.5 mg per week you get four weeks of doses
This is particularly important for the lips, because they dont have oil glands and are more prone to dryness and chapping