Vitamin B6 is Effective Therapy for Nausea and Vomiting of Pregnancy: A Randomized, Double-Blind Placebo-Controlled Study

This 1991 study, published in Obstetrics & Gynecology, evaluated the efficacy of vitamin B6 (pyridoxine) in treating nausea and vomiting during pregnancy. Fifty-nine pregnant women were randomized to receive either 25 mg of vitamin B6 or a placebo every 8 hours for 72 hours. Results showed that among women with