About this item DOUBLE STRENGTH/ESSENTIAL MINERAL: Iron is an essential mineral that plays central roles in energy production, immune system function, and neurological health.* GENTLE AND NON-CONSTIPATING*: NOW uses Ferrochel Iron Bisglycinate, which has clinically demonstrated superior absorption and is well tolerated because it is gentle and non-constipating.* CLASSIFICATIONS/CERTIFICATIONS: Vegan, Soy Free, Sugar Free, Kosher, Non-GMO, Halal GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation). Packaged in the USA by a family owned and operated company since 1968. During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.