Vitamins before pregnancy

Is vitamin A upper limit before pregnancy safe during pregnancy?

Vitamin A is a preconception concern only in its preformed form, the retinol in supplements and liver, not the beta-carotene in produce.

Vitamin B12 Before Pregnancy for Vegetarians and Vegans

Vitamin B12 only occurs naturally in animal foods, so vegetarians and especially vegans need a reliable fortified source or supplement well before.

Vitamin E for Fertility Before Pregnancy

Vitamin E is safe for most people at typical food and supplement doses, and it is already built into most prenatal vitamins.