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by DanBC 4835 days ago
> Very very few people need them.

Women who want to become pregnant, or who are already pregnant, should be taking 400 micrograms of folic acid (from before conception to at least 12 weeks conception) and 10 micrograms vitamin d, but avoiding anything with vitamin a.

(http://www.nhs.uk/Conditions/pregnancy-and-baby/pages/vitami...)