Minerals

They function as cofactors for our thousands of vital enzymes and ensure the structural stability of many different transport proteins. Ensuring potentially dangerous and reactive elements like iron and retinol are safely transported to target sites. 

Some minerals can be recycled internally and some sourced fresh from our dietary supply. The kidneys, liver and spleen maintain mineral homeostasis via recirculation and excretion. Minerals are lost through hair, sweat, skin, urine, and feces. This is why we need a consistent supply of all essential minerals to maintain nominal function.