Take vitamins with food or a snack
Take them at night if they upset your stomach
Split the dose into smaller amounts during the day
Try a different form, such as gummies, chewables, or liquid
Switch to a lower dose if appropriate
Avoid taking vitamins on an empty stomach
Drink water with the vitamin
Check whether iron is causing the nausea
Ask a pharmacist or doctor about a gentler formula
Stop the vitamin and seek medical advice if nausea is severe or persistent