Rb-Zyme™ supplies the trace element rubidium, as a phytochemically bound, whole food vegetable culture. Consider wherever supplemental rubidium is indicated.One (1) tablet each day as a dietary supplement or as otherwise directed by a healthcare professional.Serving Size: 1 TabletAmount Per ServingRubidium ... 100mcg(from vegetable culture †) Other Ingredients: Cellulose, magnesium stearate (vegetable source), stearic acid (vegetable source) and food glaze. This product is gluten, dairy and GMO free.† Specially grown, biologically active vegetable culture containing Phytochemically Bound Rubidium™ and naturally associated phytochemicals including polyphenolic compounds with SOD and catalase, dehydrated at low temperature to preserve associated enzyme factors.KEEP OUT OF REACH OF CHILDREN Store in a cool, dry area. Sealed with an imprinted safety seal for your protection.