Bone Builder Extra Strength, 180 Tablets by Metagenics.

Bone Builder Extra Strength by Metagenics provides excellent bone health support with microcrystalline hydroxyapatite concentrate (MCHC), a highly absorbable crystalline compound that provides everything found in healthy bones and is backed by over 30 years of research. MCHC contains naturally occurring calcium, phosphorous and trace amounts of other minerals, bone growth factors, and collagen and other vital bone proteins.

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