Number 1 doctor recommended iron supplement (Among over the counter iron only supplement brands) Gives you high potency iron to support oxygen transport Easy to swallow and add to your routine; formulated for daily use and less discomfort Features a special controlled release system: delivers iron slowly to your body, causing fewer GI side effects than immediate release iron supplements Ask your doctor if you are someone who could benefit from an iron supplement, and the role it plays if you are at risk for iron deficiency anemia During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.