Iron's minimal effect on constipation
Milman NT, Bergholt T. Low-Dose Prophylactic Oral Iron Supplementation (Ferrous Fumarate, Ferrous Bisglycinate, and Ferrous Sulphate) in Pregnancy Is Not Associated With Clinically Significant Gastrointestinal Complaints: Results From Two Randomized Studies. J Pregnancy. 2024;2024:1716798. doi:10.1155/2024/1716798