Jern er et essensielt mineral som er avgjørende for produksjonen av hemoglobin, proteinet i røde blodceller som transporterer oksygen gjennom hele kroppen. Det spiller en nøkkelrolle i energiproduksjon, kognitiv funksjon og støtte av et sunt immunsystem. Jern finnes vanligvis i rødt kjøtt, bønner, berikede kornprodukter og bladgrønnsaker. Mange, spesielt kvinner og vegetarianere, kan ha behov for kosttilskudd for å opprettholde tilstrekkelige nivåer. Jernmangel kan forårsake tretthet og redusere immunstyrken.
Individuals showing symptoms of anemia, such as fatigue, weakness, and pale skin, would benefit from testing their iron levels. This is particularly important for pregnant women, menstruating women, frequent blood donors, vegetarians, and people with gastrointestinal disorders that affect nutrient absorption.
Symptoms of Low Iron:
Symptoms of High Iron:
Foods high in iron include red meat, poultry, and fish, which are sources of heme iron, more easily absorbed by the body. Plant-based sources of non-heme iron include lentils, beans, tofu, fortified cereals, dark leafy greens like spinach, and dried fruits like raisins and apricots. Pairing these with vitamin C-rich foods can enhance iron absorption.
Iron supplementation can effectively treat iron deficiency anemia, improving energy levels, cognitive function, and overall well-being. However, excessive iron intake can lead to iron overload, causing symptoms like liver damage, heart problems, and diabetes.