Strontium (Citrate)Pure Encapsulations Strontium (Citrate) is a hypoallergenic dietary supplement that provides strontium in the highly absorbable citrate form to support healthy bone mineralization and skeletal strength. Each capsule contains strontium citrate, a trace mineral that becomes incorporated into the bone matrix to help increase density and strength. The citrate form provides enhanced bioavailability for optimal absorption. This supplement is made with Pure