Signs of Low Iron/Ferritin Levels in Sports The main ones for sports are getting enough oxygen to the lungs and into the muscles while also supplying oxygen for energy production! Less oxygen and energy production leads to slower times. Iron is a trace mineral that has many important roles. Because of this, the ferritin test is the preferred measurement to determine the amount of iron in your body. The preponderance of iron stored in your body is found in ferritin. It stores iron in these areas so your body can use it in the future. One of the most common, but silent issues that can arise in swimmers is low ferritin levels.įerritin is a protein found principally in the liver, skeletal muscles, spleen and bones. Your body’s system can be observed by blood testing to help achieve utmost results whether you’re training for a competition, pursuing an individual goal or improving general health. It’s improbable to always know if your physical condition and performance is at an optimal state. Non-Subscribers Can Download This Issue Here Nutrition: The Importance of Iron- Low Means Slow! Is now available for download in the Swimming World Vault! The latest issue of Swimming World Magazine