Iron
Iron chelated with two glycine molecules (Ferrochel). The gentlest and most bioavailable supplemental iron form, causing significantly less GI distress than ferrous sulfate. Essential for oxygen transport and energy.
What it’s good for
Iron is essential for hemoglobin (oxygen transport) and myoglobin (muscle oxygen storage). It is also a cofactor in mitochondrial cytochrome enzymes for ATP production. Iron deficiency is the most common cause of correctable fatigue worldwide.
Dose: 18–36 mg
Iron is critical for oxygen transport via hemoglobin and muscle oxygen storage via myoglobin. It also supports mitochondrial cytochrome function. Even subclinical iron deficiency (low ferritin, normal hemoglobin) reduces exercise capacity.
Dose: 18–36 mg
Iron is essential for hair follicle matrix cell proliferation, which has one of the highest cell turnover rates in the body. Low ferritin starves the follicle of oxygen and nutrients, causing telogen effluvium (diffuse shedding).
Dose: 18–36 mg
Iron is essential for hemoglobin production and oxygen delivery to nail matrix cells. Iron deficiency causes nail bed hypoxia, resulting in thin, concave (koilonychia), and brittle nails due to impaired keratin synthesis.
Dose: 18–36 mg