12/16/2025
For runners, performance depends not just on training, but on the body's ability to deliver oxygen efficiently to working muscles. One critical nutrient in that process is iron—a mineral that plays a central role in producing hemoglobin, the protein in red blood cells responsible for carrying oxygen throughout the body. When iron levels are low, oxygen transport is compromised, and the results can be frustrating: fatigue, shortness of breath, and a noticeable decline in endurance.https://www.oregonrunningclinic.com/runners-life-blog/2025/7/18/iron-deficiency-in-runners-what-you-need-to-know-and-how-to-fix-it