Overview Proferrin ES delivers a high‑absorption iron source in a convenient tablet form. Each tablet provides 10.5 mg of heme iron polypeptide, a naturally occurring iron source designed for daily use. The product is produced in the USA by Colorado Biolabs, Inc., and comes...

Proferrin ES is a high absorption iron supplement designed to support daily wellness with a naturally sourced option. Each tablet contains 10.5 mg of iron in the form of heme iron polypeptide, a naturally occurring iron source that mirrors a familiar dietary form and...