Reflex albionferrochel iron bisglycinate is a chelated and highly bioavailable iron supplement formulated by albion laboratories inc for reflex nutritionferrous bisglycinate is said to have a 40 bioavailability compared with other forms like ferrous sulphate often seen in cheap iron supplements with an estimated 20 bioavailability iron oxide another form has been shown to haveessentially zero bioavailability with the additional risk of potential toxicity making ferrous bisglycina