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Glandular Nutrition500 mg Per CapsuleDietary SupplementTotal Wellness for Mind Body & HomeUnsurpassed Purity & PotencyScience-Backed Quality Since 1969Swanson® Premium Brand Lyophilized Bone Marrow Substance joins our expanding list of glandular supplements. Produced from US and Argentina cattle where regulations are among the strictest in the world our Lyophilized Bone Marrow Substance is flash-frozen and vacuum dried to preserve all its beneficial components. Like all Swanson glandular products our Lyophilized Bone Marrow Substance is encapsulated at certified GMP U.S. facilities and is backed by our 100% money-back guarantee for purity freshness and potency.