The consensus is in–– pills are out.
Eight key studies comparing foods vs synthetic ...
Vitamin D3 - In addition to supporting bone health, recent studies have shown that vitamin D at 4000IU reduces the risk of preeclampsia, gestational diabetes, preterm birth, and low birth weight. Even in the sunniest locales, nearly 50% of women are deficient in Vitamin D.
From Microalgae
Pregnancy & Lactation