Zahler® - general health: iron complex - 100 capsules advanced iron complex zahler advanced iron complex is a highly bio-available, non-constipating formula using the finest iron available. The mineral is essential for red blood formation and many other bodily functions. Gentle & non-constipating iron formula non-gmo gluten, dairy, soy free vegetarian friendly kosher gmp certified these statements have not been evaluated by the food and drug administration. This product is not intended to diagnose, treat, cure, or prevent any disease. . Zahler iron complex - 100 capsules (100 servings)