Albionmagnesium bisglycinate is a chelated and highly bioavailable magnesium supplement manufactured by albion laboratories inc for reflex this form of magnesium is estimated to have an 80 bioavailability with little to no side effects compared with alternate forms like magnesium citrate that has a 90 bioavailability but with a possible laxative side effect or magnesium oxide thought to have a mere 4 bioavailability magnesium is vital to energy production and many active individu