Smythe is a board-certified fellow of the American College of Obstetricians and Gynecolog
Nausea from vitamin B12 supplements is often related to inactive ingredients such as binders, fillers, or excipients rather than the vitamin itself
If you experience any suspected side effects from a food supplement or herbal product, you can report these to the MHRA via the Yellow Card Scheme (yellowcard.mhra.gov.uk)
However, if it is near the time you need to take your next dose, skip the missed dose
PMID 39739902
Vitamin B-2 can be supplied from foods such as milk, eggs, tofu, lean meat, and many types of nuts and green vegetables Vitamin B-3 In the case of vitamin B-3, or niacin deficiency, the patient might experience dry, chapped lips or a red, swollen tongue and mouth